diff --git a/CONTRIBUTORS b/CONTRIBUTORS
index eff03125c6..0b82858a55 100644
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -125,6 +125,7 @@
        1	Qinxuan Chen                  	Add fp_account::AccountId20 mapping (#5551)
        1	qiuhao                        	update DeriveCustom type (#2581)
        1	r0t0r-r0t0r                   	Fix memory leak on raw rpc call (#4505)
+       1	rajk93                        	Update substrate types for polkadot-sdk 2503-2-rc1 (#6137)
        1	Raphael Flechtner             	fix: typegen disconnect ws on success (#4901)
        1	Robert Gabriel Jakabosky      	Fix sorting of `Option` values and error on duplicates from BTreeSet/BTreeMap. (#5731)
        1	Robert Hambrock               	update MMR API (#5479)
diff --git a/package.json b/package.json
index eb6d06c931..7c1a5817b3 100644
--- a/package.json
+++ b/package.json
@@ -14,9 +14,9 @@
   },
   "sideEffects": false,
   "type": "module",
-  "version": "15.9.3",
+  "version": "15.9.4-0-x",
   "versions": {
-    "git": "15.9.3",
+    "git": "15.9.4-0-x",
     "npm": "15.9.3"
   },
   "workspaces": [
diff --git a/packages/api-augment/package.json b/packages/api-augment/package.json
index 60b05692a1..ce98a23960 100644
--- a/packages/api-augment/package.json
+++ b/packages/api-augment/package.json
@@ -18,14 +18,14 @@
     "./packageDetect.cjs"
   ],
   "type": "module",
-  "version": "15.9.3",
+  "version": "15.9.4-0-x",
   "main": "index.js",
   "dependencies": {
-    "@polkadot/api-base": "15.9.3",
-    "@polkadot/rpc-augment": "15.9.3",
-    "@polkadot/types": "15.9.3",
-    "@polkadot/types-augment": "15.9.3",
-    "@polkadot/types-codec": "15.9.3",
+    "@polkadot/api-base": "15.9.4-0-x",
+    "@polkadot/rpc-augment": "15.9.4-0-x",
+    "@polkadot/types": "15.9.4-0-x",
+    "@polkadot/types-augment": "15.9.4-0-x",
+    "@polkadot/types-codec": "15.9.4-0-x",
     "@polkadot/util": "^13.4.4",
     "tslib": "^2.8.1"
   }
diff --git a/packages/api-augment/src/packageInfo.ts b/packages/api-augment/src/packageInfo.ts
index ca6a15fa56..5306712e00 100644
--- a/packages/api-augment/src/packageInfo.ts
+++ b/packages/api-augment/src/packageInfo.ts
@@ -3,4 +3,4 @@
 
 // Do not edit, auto-generated by @polkadot/dev
 
-export const packageInfo = { name: '@polkadot/api-augment', path: 'auto', type: 'auto', version: '15.9.3' };
+export const packageInfo = { name: '@polkadot/api-augment', path: 'auto', type: 'auto', version: '15.9.4-0-x' };
diff --git a/packages/api-base/package.json b/packages/api-base/package.json
index 00fb3db03e..abef8864fc 100644
--- a/packages/api-base/package.json
+++ b/packages/api-base/package.json
@@ -18,11 +18,11 @@
     "./packageDetect.cjs"
   ],
   "type": "module",
-  "version": "15.9.3",
+  "version": "15.9.4-0-x",
   "main": "index.js",
   "dependencies": {
-    "@polkadot/rpc-core": "15.9.3",
-    "@polkadot/types": "15.9.3",
+    "@polkadot/rpc-core": "15.9.4-0-x",
+    "@polkadot/types": "15.9.4-0-x",
     "@polkadot/util": "^13.4.4",
     "rxjs": "^7.8.1",
     "tslib": "^2.8.1"
diff --git a/packages/api-base/src/packageInfo.ts b/packages/api-base/src/packageInfo.ts
index 833f398741..97d5bdf588 100644
--- a/packages/api-base/src/packageInfo.ts
+++ b/packages/api-base/src/packageInfo.ts
@@ -3,4 +3,4 @@
 
 // Do not edit, auto-generated by @polkadot/dev
 
-export const packageInfo = { name: '@polkadot/api-base', path: 'auto', type: 'auto', version: '15.9.3' };
+export const packageInfo = { name: '@polkadot/api-base', path: 'auto', type: 'auto', version: '15.9.4-0-x' };
diff --git a/packages/api-contract/package.json b/packages/api-contract/package.json
index fe3e9b6558..9ebd37008a 100644
--- a/packages/api-contract/package.json
+++ b/packages/api-contract/package.json
@@ -18,22 +18,22 @@
     "./packageDetect.cjs"
   ],
   "type": "module",
-  "version": "15.9.3",
+  "version": "15.9.4-0-x",
   "main": "index.js",
   "dependencies": {
-    "@polkadot/api": "15.9.3",
-    "@polkadot/api-augment": "15.9.3",
-    "@polkadot/types": "15.9.3",
-    "@polkadot/types-codec": "15.9.3",
-    "@polkadot/types-create": "15.9.3",
+    "@polkadot/api": "15.9.4-0-x",
+    "@polkadot/api-augment": "15.9.4-0-x",
+    "@polkadot/types": "15.9.4-0-x",
+    "@polkadot/types-codec": "15.9.4-0-x",
+    "@polkadot/types-create": "15.9.4-0-x",
     "@polkadot/util": "^13.4.4",
     "@polkadot/util-crypto": "^13.4.4",
     "rxjs": "^7.8.1",
     "tslib": "^2.8.1"
   },
   "devDependencies": {
-    "@polkadot/api-augment": "15.9.3",
+    "@polkadot/api-augment": "15.9.4-0-x",
     "@polkadot/keyring": "^13.4.4",
-    "@polkadot/types-support": "15.9.3"
+    "@polkadot/types-support": "15.9.4-0-x"
   }
 }
diff --git a/packages/api-contract/src/packageInfo.ts b/packages/api-contract/src/packageInfo.ts
index 8168bff462..1b96dbcfaf 100644
--- a/packages/api-contract/src/packageInfo.ts
+++ b/packages/api-contract/src/packageInfo.ts
@@ -3,4 +3,4 @@
 
 // Do not edit, auto-generated by @polkadot/dev
 
-export const packageInfo = { name: '@polkadot/api-contract', path: 'auto', type: 'auto', version: '15.9.3' };
+export const packageInfo = { name: '@polkadot/api-contract', path: 'auto', type: 'auto', version: '15.9.4-0-x' };
diff --git a/packages/api-derive/package.json b/packages/api-derive/package.json
index 07cc3f9e26..861781f0a4 100644
--- a/packages/api-derive/package.json
+++ b/packages/api-derive/package.json
@@ -18,25 +18,25 @@
     "./packageDetect.cjs"
   ],
   "type": "module",
-  "version": "15.9.3",
+  "version": "15.9.4-0-x",
   "main": "index.js",
   "dependencies": {
-    "@polkadot/api": "15.9.3",
-    "@polkadot/api-augment": "15.9.3",
-    "@polkadot/api-base": "15.9.3",
-    "@polkadot/rpc-core": "15.9.3",
-    "@polkadot/types": "15.9.3",
-    "@polkadot/types-codec": "15.9.3",
+    "@polkadot/api": "15.9.4-0-x",
+    "@polkadot/api-augment": "15.9.4-0-x",
+    "@polkadot/api-base": "15.9.4-0-x",
+    "@polkadot/rpc-core": "15.9.4-0-x",
+    "@polkadot/types": "15.9.4-0-x",
+    "@polkadot/types-codec": "15.9.4-0-x",
     "@polkadot/util": "^13.4.4",
     "@polkadot/util-crypto": "^13.4.4",
     "rxjs": "^7.8.1",
     "tslib": "^2.8.1"
   },
   "devDependencies": {
-    "@polkadot/api": "15.9.3",
-    "@polkadot/api-augment": "15.9.3",
-    "@polkadot/rpc-augment": "15.9.3",
-    "@polkadot/rpc-provider": "15.9.3",
-    "@polkadot/types-support": "15.9.3"
+    "@polkadot/api": "15.9.4-0-x",
+    "@polkadot/api-augment": "15.9.4-0-x",
+    "@polkadot/rpc-augment": "15.9.4-0-x",
+    "@polkadot/rpc-provider": "15.9.4-0-x",
+    "@polkadot/types-support": "15.9.4-0-x"
   }
 }
diff --git a/packages/api-derive/src/packageInfo.ts b/packages/api-derive/src/packageInfo.ts
index 33a541d170..847deaaf85 100644
--- a/packages/api-derive/src/packageInfo.ts
+++ b/packages/api-derive/src/packageInfo.ts
@@ -3,4 +3,4 @@
 
 // Do not edit, auto-generated by @polkadot/dev
 
-export const packageInfo = { name: '@polkadot/api-derive', path: 'auto', type: 'auto', version: '15.9.3' };
+export const packageInfo = { name: '@polkadot/api-derive', path: 'auto', type: 'auto', version: '15.9.4-0-x' };
diff --git a/packages/api/package.json b/packages/api/package.json
index b3e947bb06..041121cc37 100644
--- a/packages/api/package.json
+++ b/packages/api/package.json
@@ -18,21 +18,21 @@
     "./packageDetect.cjs"
   ],
   "type": "module",
-  "version": "15.9.3",
+  "version": "15.9.4-0-x",
   "main": "index.js",
   "dependencies": {
-    "@polkadot/api-augment": "15.9.3",
-    "@polkadot/api-base": "15.9.3",
-    "@polkadot/api-derive": "15.9.3",
+    "@polkadot/api-augment": "15.9.4-0-x",
+    "@polkadot/api-base": "15.9.4-0-x",
+    "@polkadot/api-derive": "15.9.4-0-x",
     "@polkadot/keyring": "^13.4.4",
-    "@polkadot/rpc-augment": "15.9.3",
-    "@polkadot/rpc-core": "15.9.3",
-    "@polkadot/rpc-provider": "15.9.3",
-    "@polkadot/types": "15.9.3",
-    "@polkadot/types-augment": "15.9.3",
-    "@polkadot/types-codec": "15.9.3",
-    "@polkadot/types-create": "15.9.3",
-    "@polkadot/types-known": "15.9.3",
+    "@polkadot/rpc-augment": "15.9.4-0-x",
+    "@polkadot/rpc-core": "15.9.4-0-x",
+    "@polkadot/rpc-provider": "15.9.4-0-x",
+    "@polkadot/types": "15.9.4-0-x",
+    "@polkadot/types-augment": "15.9.4-0-x",
+    "@polkadot/types-codec": "15.9.4-0-x",
+    "@polkadot/types-create": "15.9.4-0-x",
+    "@polkadot/types-known": "15.9.4-0-x",
     "@polkadot/util": "^13.4.4",
     "@polkadot/util-crypto": "^13.4.4",
     "eventemitter3": "^5.0.1",
@@ -40,7 +40,7 @@
     "tslib": "^2.8.1"
   },
   "devDependencies": {
-    "@polkadot/api-augment": "15.9.3",
-    "@polkadot/types-support": "15.9.3"
+    "@polkadot/api-augment": "15.9.4-0-x",
+    "@polkadot/types-support": "15.9.4-0-x"
   }
 }
diff --git a/packages/api/src/packageInfo.ts b/packages/api/src/packageInfo.ts
index 8d3b7df5d6..db8635092d 100644
--- a/packages/api/src/packageInfo.ts
+++ b/packages/api/src/packageInfo.ts
@@ -3,4 +3,4 @@
 
 // Do not edit, auto-generated by @polkadot/dev
 
-export const packageInfo = { name: '@polkadot/api', path: 'auto', type: 'auto', version: '15.9.3' };
+export const packageInfo = { name: '@polkadot/api', path: 'auto', type: 'auto', version: '15.9.4-0-x' };
diff --git a/packages/rpc-augment/package.json b/packages/rpc-augment/package.json
index 7bed35516b..3294673d12 100644
--- a/packages/rpc-augment/package.json
+++ b/packages/rpc-augment/package.json
@@ -18,12 +18,12 @@
     "./packageDetect.cjs"
   ],
   "type": "module",
-  "version": "15.9.3",
+  "version": "15.9.4-0-x",
   "main": "index.js",
   "dependencies": {
-    "@polkadot/rpc-core": "15.9.3",
-    "@polkadot/types": "15.9.3",
-    "@polkadot/types-codec": "15.9.3",
+    "@polkadot/rpc-core": "15.9.4-0-x",
+    "@polkadot/types": "15.9.4-0-x",
+    "@polkadot/types-codec": "15.9.4-0-x",
     "@polkadot/util": "^13.4.4",
     "tslib": "^2.8.1"
   }
diff --git a/packages/rpc-augment/src/packageInfo.ts b/packages/rpc-augment/src/packageInfo.ts
index 449c2b640e..92f82bc27a 100644
--- a/packages/rpc-augment/src/packageInfo.ts
+++ b/packages/rpc-augment/src/packageInfo.ts
@@ -3,4 +3,4 @@
 
 // Do not edit, auto-generated by @polkadot/dev
 
-export const packageInfo = { name: '@polkadot/rpc-augment', path: 'auto', type: 'auto', version: '15.9.3' };
+export const packageInfo = { name: '@polkadot/rpc-augment', path: 'auto', type: 'auto', version: '15.9.4-0-x' };
diff --git a/packages/rpc-core/package.json b/packages/rpc-core/package.json
index e466dfefbb..4e7950cb37 100644
--- a/packages/rpc-core/package.json
+++ b/packages/rpc-core/package.json
@@ -18,18 +18,18 @@
     "./packageDetect.cjs"
   ],
   "type": "module",
-  "version": "15.9.3",
+  "version": "15.9.4-0-x",
   "main": "index.js",
   "dependencies": {
-    "@polkadot/rpc-augment": "15.9.3",
-    "@polkadot/rpc-provider": "15.9.3",
-    "@polkadot/types": "15.9.3",
+    "@polkadot/rpc-augment": "15.9.4-0-x",
+    "@polkadot/rpc-provider": "15.9.4-0-x",
+    "@polkadot/types": "15.9.4-0-x",
     "@polkadot/util": "^13.4.4",
     "rxjs": "^7.8.1",
     "tslib": "^2.8.1"
   },
   "devDependencies": {
     "@polkadot/keyring": "^13.4.4",
-    "@polkadot/rpc-augment": "15.9.3"
+    "@polkadot/rpc-augment": "15.9.4-0-x"
   }
 }
diff --git a/packages/rpc-core/src/packageInfo.ts b/packages/rpc-core/src/packageInfo.ts
index 95bf8bfd51..d1e63a6fa1 100644
--- a/packages/rpc-core/src/packageInfo.ts
+++ b/packages/rpc-core/src/packageInfo.ts
@@ -3,4 +3,4 @@
 
 // Do not edit, auto-generated by @polkadot/dev
 
-export const packageInfo = { name: '@polkadot/rpc-core', path: 'auto', type: 'auto', version: '15.9.3' };
+export const packageInfo = { name: '@polkadot/rpc-core', path: 'auto', type: 'auto', version: '15.9.4-0-x' };
diff --git a/packages/rpc-provider/package.json b/packages/rpc-provider/package.json
index c027af8ef4..9d65304a8c 100644
--- a/packages/rpc-provider/package.json
+++ b/packages/rpc-provider/package.json
@@ -18,12 +18,12 @@
     "./packageDetect.cjs"
   ],
   "type": "module",
-  "version": "15.9.3",
+  "version": "15.9.4-0-x",
   "main": "index.js",
   "dependencies": {
     "@polkadot/keyring": "^13.4.4",
-    "@polkadot/types": "15.9.3",
-    "@polkadot/types-support": "15.9.3",
+    "@polkadot/types": "15.9.4-0-x",
+    "@polkadot/types-support": "15.9.4-0-x",
     "@polkadot/util": "^13.4.4",
     "@polkadot/util-crypto": "^13.4.4",
     "@polkadot/x-fetch": "^13.4.4",
diff --git a/packages/rpc-provider/src/packageInfo.ts b/packages/rpc-provider/src/packageInfo.ts
index c26aa221f7..4355ae60f7 100644
--- a/packages/rpc-provider/src/packageInfo.ts
+++ b/packages/rpc-provider/src/packageInfo.ts
@@ -3,4 +3,4 @@
 
 // Do not edit, auto-generated by @polkadot/dev
 
-export const packageInfo = { name: '@polkadot/rpc-provider', path: 'auto', type: 'auto', version: '15.9.3' };
+export const packageInfo = { name: '@polkadot/rpc-provider', path: 'auto', type: 'auto', version: '15.9.4-0-x' };
diff --git a/packages/typegen/package.json b/packages/typegen/package.json
index 13d3b1da54..ff80ef709c 100644
--- a/packages/typegen/package.json
+++ b/packages/typegen/package.json
@@ -18,7 +18,7 @@
     "./packageDetect.cjs"
   ],
   "type": "module",
-  "version": "15.9.3",
+  "version": "15.9.4-0-x",
   "main": "index.js",
   "bin": {
     "polkadot-types-chain-info": "./scripts/polkadot-types-chain-info.mjs",
@@ -28,16 +28,16 @@
     "polkadot-types-internal-metadata": "./scripts/polkadot-types-internal-metadata.mjs"
   },
   "dependencies": {
-    "@polkadot/api": "15.9.3",
-    "@polkadot/api-augment": "15.9.3",
-    "@polkadot/api-derive": "15.9.3",
-    "@polkadot/rpc-augment": "15.9.3",
-    "@polkadot/rpc-provider": "15.9.3",
-    "@polkadot/types": "15.9.3",
-    "@polkadot/types-augment": "15.9.3",
-    "@polkadot/types-codec": "15.9.3",
-    "@polkadot/types-create": "15.9.3",
-    "@polkadot/types-support": "15.9.3",
+    "@polkadot/api": "15.9.4-0-x",
+    "@polkadot/api-augment": "15.9.4-0-x",
+    "@polkadot/api-derive": "15.9.4-0-x",
+    "@polkadot/rpc-augment": "15.9.4-0-x",
+    "@polkadot/rpc-provider": "15.9.4-0-x",
+    "@polkadot/types": "15.9.4-0-x",
+    "@polkadot/types-augment": "15.9.4-0-x",
+    "@polkadot/types-codec": "15.9.4-0-x",
+    "@polkadot/types-create": "15.9.4-0-x",
+    "@polkadot/types-support": "15.9.4-0-x",
     "@polkadot/util": "^13.4.4",
     "@polkadot/util-crypto": "^13.4.4",
     "@polkadot/x-ws": "^13.4.4",
diff --git a/packages/typegen/src/packageInfo.ts b/packages/typegen/src/packageInfo.ts
index aa356b4ce8..6186bb0aa8 100644
--- a/packages/typegen/src/packageInfo.ts
+++ b/packages/typegen/src/packageInfo.ts
@@ -3,4 +3,4 @@
 
 // Do not edit, auto-generated by @polkadot/dev
 
-export const packageInfo = { name: '@polkadot/typegen', path: 'auto', type: 'auto', version: '15.9.3' };
+export const packageInfo = { name: '@polkadot/typegen', path: 'auto', type: 'auto', version: '15.9.4-0-x' };
diff --git a/packages/types-augment/package.json b/packages/types-augment/package.json
index f7acbf9347..3bf2ffc289 100644
--- a/packages/types-augment/package.json
+++ b/packages/types-augment/package.json
@@ -18,11 +18,11 @@
     "./packageDetect.cjs"
   ],
   "type": "module",
-  "version": "15.9.3",
+  "version": "15.9.4-0-x",
   "main": "index.js",
   "dependencies": {
-    "@polkadot/types": "15.9.3",
-    "@polkadot/types-codec": "15.9.3",
+    "@polkadot/types": "15.9.4-0-x",
+    "@polkadot/types-codec": "15.9.4-0-x",
     "@polkadot/util": "^13.4.4",
     "tslib": "^2.8.1"
   }
diff --git a/packages/types-augment/src/packageInfo.ts b/packages/types-augment/src/packageInfo.ts
index 940b1d3bbb..f8de375514 100644
--- a/packages/types-augment/src/packageInfo.ts
+++ b/packages/types-augment/src/packageInfo.ts
@@ -3,4 +3,4 @@
 
 // Do not edit, auto-generated by @polkadot/dev
 
-export const packageInfo = { name: '@polkadot/types-augment', path: 'auto', type: 'auto', version: '15.9.3' };
+export const packageInfo = { name: '@polkadot/types-augment', path: 'auto', type: 'auto', version: '15.9.4-0-x' };
diff --git a/packages/types-codec/package.json b/packages/types-codec/package.json
index d6ee6f0af0..ac120ad65b 100644
--- a/packages/types-codec/package.json
+++ b/packages/types-codec/package.json
@@ -18,7 +18,7 @@
     "./packageDetect.cjs"
   ],
   "type": "module",
-  "version": "15.9.3",
+  "version": "15.9.4-0-x",
   "main": "index.js",
   "dependencies": {
     "@polkadot/util": "^13.4.4",
@@ -26,9 +26,9 @@
     "tslib": "^2.8.1"
   },
   "devDependencies": {
-    "@polkadot/types": "15.9.3",
-    "@polkadot/types-augment": "15.9.3",
-    "@polkadot/types-support": "15.9.3",
+    "@polkadot/types": "15.9.4-0-x",
+    "@polkadot/types-augment": "15.9.4-0-x",
+    "@polkadot/types-support": "15.9.4-0-x",
     "@polkadot/util-crypto": "^13.4.4"
   }
 }
diff --git a/packages/types-codec/src/packageInfo.ts b/packages/types-codec/src/packageInfo.ts
index 97d5ed2ba2..861924b1de 100644
--- a/packages/types-codec/src/packageInfo.ts
+++ b/packages/types-codec/src/packageInfo.ts
@@ -3,4 +3,4 @@
 
 // Do not edit, auto-generated by @polkadot/dev
 
-export const packageInfo = { name: '@polkadot/types-codec', path: 'auto', type: 'auto', version: '15.9.3' };
+export const packageInfo = { name: '@polkadot/types-codec', path: 'auto', type: 'auto', version: '15.9.4-0-x' };
diff --git a/packages/types-create/package.json b/packages/types-create/package.json
index c8592e995c..81b1a83823 100644
--- a/packages/types-create/package.json
+++ b/packages/types-create/package.json
@@ -18,14 +18,14 @@
     "./packageDetect.cjs"
   ],
   "type": "module",
-  "version": "15.9.3",
+  "version": "15.9.4-0-x",
   "main": "index.js",
   "dependencies": {
-    "@polkadot/types-codec": "15.9.3",
+    "@polkadot/types-codec": "15.9.4-0-x",
     "@polkadot/util": "^13.4.4",
     "tslib": "^2.8.1"
   },
   "devDependencies": {
-    "@polkadot/types": "15.9.3"
+    "@polkadot/types": "15.9.4-0-x"
   }
 }
diff --git a/packages/types-create/src/packageInfo.ts b/packages/types-create/src/packageInfo.ts
index 5538e02066..0e3dbc065b 100644
--- a/packages/types-create/src/packageInfo.ts
+++ b/packages/types-create/src/packageInfo.ts
@@ -3,4 +3,4 @@
 
 // Do not edit, auto-generated by @polkadot/dev
 
-export const packageInfo = { name: '@polkadot/types-create', path: 'auto', type: 'auto', version: '15.9.3' };
+export const packageInfo = { name: '@polkadot/types-create', path: 'auto', type: 'auto', version: '15.9.4-0-x' };
diff --git a/packages/types-known/package.json b/packages/types-known/package.json
index 56d664c7f0..3ceabd1822 100644
--- a/packages/types-known/package.json
+++ b/packages/types-known/package.json
@@ -18,17 +18,17 @@
     "./packageDetect.cjs"
   ],
   "type": "module",
-  "version": "15.9.3",
+  "version": "15.9.4-0-x",
   "main": "index.js",
   "dependencies": {
     "@polkadot/networks": "^13.4.4",
-    "@polkadot/types": "15.9.3",
-    "@polkadot/types-codec": "15.9.3",
-    "@polkadot/types-create": "15.9.3",
+    "@polkadot/types": "15.9.4-0-x",
+    "@polkadot/types-codec": "15.9.4-0-x",
+    "@polkadot/types-create": "15.9.4-0-x",
     "@polkadot/util": "^13.4.4",
     "tslib": "^2.8.1"
   },
   "devDependencies": {
-    "@polkadot/api": "15.9.3"
+    "@polkadot/api": "15.9.4-0-x"
   }
 }
diff --git a/packages/types-known/src/packageInfo.ts b/packages/types-known/src/packageInfo.ts
index a7eb62db0e..d1c542034f 100644
--- a/packages/types-known/src/packageInfo.ts
+++ b/packages/types-known/src/packageInfo.ts
@@ -3,4 +3,4 @@
 
 // Do not edit, auto-generated by @polkadot/dev
 
-export const packageInfo = { name: '@polkadot/types-known', path: 'auto', type: 'auto', version: '15.9.3' };
+export const packageInfo = { name: '@polkadot/types-known', path: 'auto', type: 'auto', version: '15.9.4-0-x' };
diff --git a/packages/types-support/package.json b/packages/types-support/package.json
index 43a5a334e3..e303496ca0 100644
--- a/packages/types-support/package.json
+++ b/packages/types-support/package.json
@@ -18,7 +18,7 @@
     "./packageDetect.cjs"
   ],
   "type": "module",
-  "version": "15.9.3",
+  "version": "15.9.4-0-x",
   "main": "index.js",
   "dependencies": {
     "@polkadot/util": "^13.4.4",
diff --git a/packages/types-support/src/packageInfo.ts b/packages/types-support/src/packageInfo.ts
index baf85a40d6..bf8c6d1de5 100644
--- a/packages/types-support/src/packageInfo.ts
+++ b/packages/types-support/src/packageInfo.ts
@@ -3,4 +3,4 @@
 
 // Do not edit, auto-generated by @polkadot/dev
 
-export const packageInfo = { name: '@polkadot/types-support', path: 'auto', type: 'auto', version: '15.9.3' };
+export const packageInfo = { name: '@polkadot/types-support', path: 'auto', type: 'auto', version: '15.9.4-0-x' };
diff --git a/packages/types/package.json b/packages/types/package.json
index 8b93d9656c..add47c94b6 100644
--- a/packages/types/package.json
+++ b/packages/types/package.json
@@ -18,13 +18,13 @@
     "./packageDetect.cjs"
   ],
   "type": "module",
-  "version": "15.9.3",
+  "version": "15.9.4-0-x",
   "main": "index.js",
   "dependencies": {
     "@polkadot/keyring": "^13.4.4",
-    "@polkadot/types-augment": "15.9.3",
-    "@polkadot/types-codec": "15.9.3",
-    "@polkadot/types-create": "15.9.3",
+    "@polkadot/types-augment": "15.9.4-0-x",
+    "@polkadot/types-codec": "15.9.4-0-x",
+    "@polkadot/types-create": "15.9.4-0-x",
     "@polkadot/util": "^13.4.4",
     "@polkadot/util-crypto": "^13.4.4",
     "rxjs": "^7.8.1",
@@ -32,6 +32,6 @@
   },
   "devDependencies": {
     "@polkadot/keyring": "^13.4.4",
-    "@polkadot/types-support": "15.9.3"
+    "@polkadot/types-support": "15.9.4-0-x"
   }
 }
diff --git a/packages/types/src/packageInfo.ts b/packages/types/src/packageInfo.ts
index 0ba4327b82..203ccab8d8 100644
--- a/packages/types/src/packageInfo.ts
+++ b/packages/types/src/packageInfo.ts
@@ -3,4 +3,4 @@
 
 // Do not edit, auto-generated by @polkadot/dev
 
-export const packageInfo = { name: '@polkadot/types', path: 'auto', type: 'auto', version: '15.9.3' };
+export const packageInfo = { name: '@polkadot/types', path: 'auto', type: 'auto', version: '15.9.4-0-x' };
diff --git a/yarn.lock b/yarn.lock
index 924db2a4ee..d37e58bdbc 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -447,26 +447,26 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@polkadot/api-augment@npm:15.9.3, @polkadot/api-augment@workspace:packages/api-augment":
+"@polkadot/api-augment@npm:15.9.4-0-x, @polkadot/api-augment@workspace:packages/api-augment":
   version: 0.0.0-use.local
   resolution: "@polkadot/api-augment@workspace:packages/api-augment"
   dependencies:
-    "@polkadot/api-base": "npm:15.9.3"
-    "@polkadot/rpc-augment": "npm:15.9.3"
-    "@polkadot/types": "npm:15.9.3"
-    "@polkadot/types-augment": "npm:15.9.3"
-    "@polkadot/types-codec": "npm:15.9.3"
+    "@polkadot/api-base": "npm:15.9.4-0-x"
+    "@polkadot/rpc-augment": "npm:15.9.4-0-x"
+    "@polkadot/types": "npm:15.9.4-0-x"
+    "@polkadot/types-augment": "npm:15.9.4-0-x"
+    "@polkadot/types-codec": "npm:15.9.4-0-x"
     "@polkadot/util": "npm:^13.4.4"
     tslib: "npm:^2.8.1"
   languageName: unknown
   linkType: soft
 
-"@polkadot/api-base@npm:15.9.3, @polkadot/api-base@workspace:packages/api-base":
+"@polkadot/api-base@npm:15.9.4-0-x, @polkadot/api-base@workspace:packages/api-base":
   version: 0.0.0-use.local
   resolution: "@polkadot/api-base@workspace:packages/api-base"
   dependencies:
-    "@polkadot/rpc-core": "npm:15.9.3"
-    "@polkadot/types": "npm:15.9.3"
+    "@polkadot/rpc-core": "npm:15.9.4-0-x"
+    "@polkadot/types": "npm:15.9.4-0-x"
     "@polkadot/util": "npm:^13.4.4"
     rxjs: "npm:^7.8.1"
     tslib: "npm:^2.8.1"
@@ -477,13 +477,13 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@polkadot/api-contract@workspace:packages/api-contract"
   dependencies:
-    "@polkadot/api": "npm:15.9.3"
-    "@polkadot/api-augment": "npm:15.9.3"
+    "@polkadot/api": "npm:15.9.4-0-x"
+    "@polkadot/api-augment": "npm:15.9.4-0-x"
     "@polkadot/keyring": "npm:^13.4.4"
-    "@polkadot/types": "npm:15.9.3"
-    "@polkadot/types-codec": "npm:15.9.3"
-    "@polkadot/types-create": "npm:15.9.3"
-    "@polkadot/types-support": "npm:15.9.3"
+    "@polkadot/types": "npm:15.9.4-0-x"
+    "@polkadot/types-codec": "npm:15.9.4-0-x"
+    "@polkadot/types-create": "npm:15.9.4-0-x"
+    "@polkadot/types-support": "npm:15.9.4-0-x"
     "@polkadot/util": "npm:^13.4.4"
     "@polkadot/util-crypto": "npm:^13.4.4"
     rxjs: "npm:^7.8.1"
@@ -491,19 +491,19 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@polkadot/api-derive@npm:15.9.3, @polkadot/api-derive@workspace:packages/api-derive":
+"@polkadot/api-derive@npm:15.9.4-0-x, @polkadot/api-derive@workspace:packages/api-derive":
   version: 0.0.0-use.local
   resolution: "@polkadot/api-derive@workspace:packages/api-derive"
   dependencies:
-    "@polkadot/api": "npm:15.9.3"
-    "@polkadot/api-augment": "npm:15.9.3"
-    "@polkadot/api-base": "npm:15.9.3"
-    "@polkadot/rpc-augment": "npm:15.9.3"
-    "@polkadot/rpc-core": "npm:15.9.3"
-    "@polkadot/rpc-provider": "npm:15.9.3"
-    "@polkadot/types": "npm:15.9.3"
-    "@polkadot/types-codec": "npm:15.9.3"
-    "@polkadot/types-support": "npm:15.9.3"
+    "@polkadot/api": "npm:15.9.4-0-x"
+    "@polkadot/api-augment": "npm:15.9.4-0-x"
+    "@polkadot/api-base": "npm:15.9.4-0-x"
+    "@polkadot/rpc-augment": "npm:15.9.4-0-x"
+    "@polkadot/rpc-core": "npm:15.9.4-0-x"
+    "@polkadot/rpc-provider": "npm:15.9.4-0-x"
+    "@polkadot/types": "npm:15.9.4-0-x"
+    "@polkadot/types-codec": "npm:15.9.4-0-x"
+    "@polkadot/types-support": "npm:15.9.4-0-x"
     "@polkadot/util": "npm:^13.4.4"
     "@polkadot/util-crypto": "npm:^13.4.4"
     rxjs: "npm:^7.8.1"
@@ -511,23 +511,23 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@polkadot/api@npm:15.9.3, @polkadot/api@workspace:packages/api":
+"@polkadot/api@npm:15.9.4-0-x, @polkadot/api@workspace:packages/api":
   version: 0.0.0-use.local
   resolution: "@polkadot/api@workspace:packages/api"
   dependencies:
-    "@polkadot/api-augment": "npm:15.9.3"
-    "@polkadot/api-base": "npm:15.9.3"
-    "@polkadot/api-derive": "npm:15.9.3"
+    "@polkadot/api-augment": "npm:15.9.4-0-x"
+    "@polkadot/api-base": "npm:15.9.4-0-x"
+    "@polkadot/api-derive": "npm:15.9.4-0-x"
     "@polkadot/keyring": "npm:^13.4.4"
-    "@polkadot/rpc-augment": "npm:15.9.3"
-    "@polkadot/rpc-core": "npm:15.9.3"
-    "@polkadot/rpc-provider": "npm:15.9.3"
-    "@polkadot/types": "npm:15.9.3"
-    "@polkadot/types-augment": "npm:15.9.3"
-    "@polkadot/types-codec": "npm:15.9.3"
-    "@polkadot/types-create": "npm:15.9.3"
-    "@polkadot/types-known": "npm:15.9.3"
-    "@polkadot/types-support": "npm:15.9.3"
+    "@polkadot/rpc-augment": "npm:15.9.4-0-x"
+    "@polkadot/rpc-core": "npm:15.9.4-0-x"
+    "@polkadot/rpc-provider": "npm:15.9.4-0-x"
+    "@polkadot/types": "npm:15.9.4-0-x"
+    "@polkadot/types-augment": "npm:15.9.4-0-x"
+    "@polkadot/types-codec": "npm:15.9.4-0-x"
+    "@polkadot/types-create": "npm:15.9.4-0-x"
+    "@polkadot/types-known": "npm:15.9.4-0-x"
+    "@polkadot/types-support": "npm:15.9.4-0-x"
     "@polkadot/util": "npm:^13.4.4"
     "@polkadot/util-crypto": "npm:^13.4.4"
     eventemitter3: "npm:^5.0.1"
@@ -657,39 +657,39 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@polkadot/rpc-augment@npm:15.9.3, @polkadot/rpc-augment@workspace:packages/rpc-augment":
+"@polkadot/rpc-augment@npm:15.9.4-0-x, @polkadot/rpc-augment@workspace:packages/rpc-augment":
   version: 0.0.0-use.local
   resolution: "@polkadot/rpc-augment@workspace:packages/rpc-augment"
   dependencies:
-    "@polkadot/rpc-core": "npm:15.9.3"
-    "@polkadot/types": "npm:15.9.3"
-    "@polkadot/types-codec": "npm:15.9.3"
+    "@polkadot/rpc-core": "npm:15.9.4-0-x"
+    "@polkadot/types": "npm:15.9.4-0-x"
+    "@polkadot/types-codec": "npm:15.9.4-0-x"
     "@polkadot/util": "npm:^13.4.4"
     tslib: "npm:^2.8.1"
   languageName: unknown
   linkType: soft
 
-"@polkadot/rpc-core@npm:15.9.3, @polkadot/rpc-core@workspace:packages/rpc-core":
+"@polkadot/rpc-core@npm:15.9.4-0-x, @polkadot/rpc-core@workspace:packages/rpc-core":
   version: 0.0.0-use.local
   resolution: "@polkadot/rpc-core@workspace:packages/rpc-core"
   dependencies:
     "@polkadot/keyring": "npm:^13.4.4"
-    "@polkadot/rpc-augment": "npm:15.9.3"
-    "@polkadot/rpc-provider": "npm:15.9.3"
-    "@polkadot/types": "npm:15.9.3"
+    "@polkadot/rpc-augment": "npm:15.9.4-0-x"
+    "@polkadot/rpc-provider": "npm:15.9.4-0-x"
+    "@polkadot/types": "npm:15.9.4-0-x"
     "@polkadot/util": "npm:^13.4.4"
     rxjs: "npm:^7.8.1"
     tslib: "npm:^2.8.1"
   languageName: unknown
   linkType: soft
 
-"@polkadot/rpc-provider@npm:15.9.3, @polkadot/rpc-provider@workspace:packages/rpc-provider":
+"@polkadot/rpc-provider@npm:15.9.4-0-x, @polkadot/rpc-provider@workspace:packages/rpc-provider":
   version: 0.0.0-use.local
   resolution: "@polkadot/rpc-provider@workspace:packages/rpc-provider"
   dependencies:
     "@polkadot/keyring": "npm:^13.4.4"
-    "@polkadot/types": "npm:15.9.3"
-    "@polkadot/types-support": "npm:15.9.3"
+    "@polkadot/types": "npm:15.9.4-0-x"
+    "@polkadot/types-support": "npm:15.9.4-0-x"
     "@polkadot/util": "npm:^13.4.4"
     "@polkadot/util-crypto": "npm:^13.4.4"
     "@polkadot/x-fetch": "npm:^13.4.4"
@@ -710,16 +710,16 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@polkadot/typegen@workspace:packages/typegen"
   dependencies:
-    "@polkadot/api": "npm:15.9.3"
-    "@polkadot/api-augment": "npm:15.9.3"
-    "@polkadot/api-derive": "npm:15.9.3"
-    "@polkadot/rpc-augment": "npm:15.9.3"
-    "@polkadot/rpc-provider": "npm:15.9.3"
-    "@polkadot/types": "npm:15.9.3"
-    "@polkadot/types-augment": "npm:15.9.3"
-    "@polkadot/types-codec": "npm:15.9.3"
-    "@polkadot/types-create": "npm:15.9.3"
-    "@polkadot/types-support": "npm:15.9.3"
+    "@polkadot/api": "npm:15.9.4-0-x"
+    "@polkadot/api-augment": "npm:15.9.4-0-x"
+    "@polkadot/api-derive": "npm:15.9.4-0-x"
+    "@polkadot/rpc-augment": "npm:15.9.4-0-x"
+    "@polkadot/rpc-provider": "npm:15.9.4-0-x"
+    "@polkadot/types": "npm:15.9.4-0-x"
+    "@polkadot/types-augment": "npm:15.9.4-0-x"
+    "@polkadot/types-codec": "npm:15.9.4-0-x"
+    "@polkadot/types-create": "npm:15.9.4-0-x"
+    "@polkadot/types-support": "npm:15.9.4-0-x"
     "@polkadot/util": "npm:^13.4.4"
     "@polkadot/util-crypto": "npm:^13.4.4"
     "@polkadot/x-ws": "npm:^13.4.4"
@@ -737,24 +737,24 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@polkadot/types-augment@npm:15.9.3, @polkadot/types-augment@workspace:packages/types-augment":
+"@polkadot/types-augment@npm:15.9.4-0-x, @polkadot/types-augment@workspace:packages/types-augment":
   version: 0.0.0-use.local
   resolution: "@polkadot/types-augment@workspace:packages/types-augment"
   dependencies:
-    "@polkadot/types": "npm:15.9.3"
-    "@polkadot/types-codec": "npm:15.9.3"
+    "@polkadot/types": "npm:15.9.4-0-x"
+    "@polkadot/types-codec": "npm:15.9.4-0-x"
     "@polkadot/util": "npm:^13.4.4"
     tslib: "npm:^2.8.1"
   languageName: unknown
   linkType: soft
 
-"@polkadot/types-codec@npm:15.9.3, @polkadot/types-codec@workspace:packages/types-codec":
+"@polkadot/types-codec@npm:15.9.4-0-x, @polkadot/types-codec@workspace:packages/types-codec":
   version: 0.0.0-use.local
   resolution: "@polkadot/types-codec@workspace:packages/types-codec"
   dependencies:
-    "@polkadot/types": "npm:15.9.3"
-    "@polkadot/types-augment": "npm:15.9.3"
-    "@polkadot/types-support": "npm:15.9.3"
+    "@polkadot/types": "npm:15.9.4-0-x"
+    "@polkadot/types-augment": "npm:15.9.4-0-x"
+    "@polkadot/types-support": "npm:15.9.4-0-x"
     "@polkadot/util": "npm:^13.4.4"
     "@polkadot/util-crypto": "npm:^13.4.4"
     "@polkadot/x-bigint": "npm:^13.4.4"
@@ -762,32 +762,32 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@polkadot/types-create@npm:15.9.3, @polkadot/types-create@workspace:packages/types-create":
+"@polkadot/types-create@npm:15.9.4-0-x, @polkadot/types-create@workspace:packages/types-create":
   version: 0.0.0-use.local
   resolution: "@polkadot/types-create@workspace:packages/types-create"
   dependencies:
-    "@polkadot/types": "npm:15.9.3"
-    "@polkadot/types-codec": "npm:15.9.3"
+    "@polkadot/types": "npm:15.9.4-0-x"
+    "@polkadot/types-codec": "npm:15.9.4-0-x"
     "@polkadot/util": "npm:^13.4.4"
     tslib: "npm:^2.8.1"
   languageName: unknown
   linkType: soft
 
-"@polkadot/types-known@npm:15.9.3, @polkadot/types-known@workspace:packages/types-known":
+"@polkadot/types-known@npm:15.9.4-0-x, @polkadot/types-known@workspace:packages/types-known":
   version: 0.0.0-use.local
   resolution: "@polkadot/types-known@workspace:packages/types-known"
   dependencies:
-    "@polkadot/api": "npm:15.9.3"
+    "@polkadot/api": "npm:15.9.4-0-x"
     "@polkadot/networks": "npm:^13.4.4"
-    "@polkadot/types": "npm:15.9.3"
-    "@polkadot/types-codec": "npm:15.9.3"
-    "@polkadot/types-create": "npm:15.9.3"
+    "@polkadot/types": "npm:15.9.4-0-x"
+    "@polkadot/types-codec": "npm:15.9.4-0-x"
+    "@polkadot/types-create": "npm:15.9.4-0-x"
     "@polkadot/util": "npm:^13.4.4"
     tslib: "npm:^2.8.1"
   languageName: unknown
   linkType: soft
 
-"@polkadot/types-support@npm:15.9.3, @polkadot/types-support@workspace:packages/types-support":
+"@polkadot/types-support@npm:15.9.4-0-x, @polkadot/types-support@workspace:packages/types-support":
   version: 0.0.0-use.local
   resolution: "@polkadot/types-support@workspace:packages/types-support"
   dependencies:
@@ -796,15 +796,15 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@polkadot/types@npm:15.9.3, @polkadot/types@workspace:packages/types":
+"@polkadot/types@npm:15.9.4-0-x, @polkadot/types@workspace:packages/types":
   version: 0.0.0-use.local
   resolution: "@polkadot/types@workspace:packages/types"
   dependencies:
     "@polkadot/keyring": "npm:^13.4.4"
-    "@polkadot/types-augment": "npm:15.9.3"
-    "@polkadot/types-codec": "npm:15.9.3"
-    "@polkadot/types-create": "npm:15.9.3"
-    "@polkadot/types-support": "npm:15.9.3"
+    "@polkadot/types-augment": "npm:15.9.4-0-x"
+    "@polkadot/types-codec": "npm:15.9.4-0-x"
+    "@polkadot/types-create": "npm:15.9.4-0-x"
+    "@polkadot/types-support": "npm:15.9.4-0-x"
     "@polkadot/util": "npm:^13.4.4"
     "@polkadot/util-crypto": "npm:^13.4.4"
     rxjs: "npm:^7.8.1"