diff --git a/package.json b/package.json
index 9facb82334..17f35c817a 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
   },
   "sideEffects": false,
   "type": "commonjs",
-  "version": "6.6.1",
+  "version": "6.6.2-0",
   "workspaces": [
     "packages/*"
   ],
diff --git a/packages/api-contract/package.json b/packages/api-contract/package.json
index cf0e5bd320..48f29f6ca9 100644
--- a/packages/api-contract/package.json
+++ b/packages/api-contract/package.json
@@ -20,12 +20,12 @@
     "./detectPackage.cjs"
   ],
   "type": "module",
-  "version": "6.6.1",
+  "version": "6.6.2-0",
   "main": "index.js",
   "dependencies": {
     "@babel/runtime": "^7.15.4",
-    "@polkadot/api": "6.6.1",
-    "@polkadot/types": "6.6.1",
+    "@polkadot/api": "6.6.2-0",
+    "@polkadot/types": "6.6.2-0",
     "@polkadot/util": "^7.7.1",
     "rxjs": "^7.4.0"
   }
diff --git a/packages/api-contract/src/packageInfo.ts b/packages/api-contract/src/packageInfo.ts
index 15dccba71b..9ffc7a8a27 100644
--- a/packages/api-contract/src/packageInfo.ts
+++ b/packages/api-contract/src/packageInfo.ts
@@ -3,4 +3,4 @@
 
 // Auto-generated by @polkadot/dev, do not edit
 
-export const packageInfo = { name: '@polkadot/api-contract', version: '6.6.1' };
+export const packageInfo = { name: '@polkadot/api-contract', version: '6.6.2-0' };
diff --git a/packages/api-derive/package.json b/packages/api-derive/package.json
index a5a3bee5e5..821a3314bc 100644
--- a/packages/api-derive/package.json
+++ b/packages/api-derive/package.json
@@ -20,19 +20,19 @@
     "./detectPackage.cjs"
   ],
   "type": "module",
-  "version": "6.6.1",
+  "version": "6.6.2-0",
   "main": "index.js",
   "dependencies": {
     "@babel/runtime": "^7.15.4",
-    "@polkadot/api": "6.6.1",
-    "@polkadot/rpc-core": "6.6.1",
-    "@polkadot/types": "6.6.1",
+    "@polkadot/api": "6.6.2-0",
+    "@polkadot/rpc-core": "6.6.2-0",
+    "@polkadot/types": "6.6.2-0",
     "@polkadot/util": "^7.7.1",
     "@polkadot/util-crypto": "^7.7.1",
     "rxjs": "^7.4.0"
   },
   "devDependencies": {
     "@polkadot/keyring": "^7.7.1",
-    "@polkadot/rpc-provider": "6.6.1"
+    "@polkadot/rpc-provider": "6.6.2-0"
   }
 }
diff --git a/packages/api-derive/src/packageInfo.ts b/packages/api-derive/src/packageInfo.ts
index 14c303be2d..53d56dc487 100644
--- a/packages/api-derive/src/packageInfo.ts
+++ b/packages/api-derive/src/packageInfo.ts
@@ -3,4 +3,4 @@
 
 // Auto-generated by @polkadot/dev, do not edit
 
-export const packageInfo = { name: '@polkadot/api-derive', version: '6.6.1' };
+export const packageInfo = { name: '@polkadot/api-derive', version: '6.6.2-0' };
diff --git a/packages/api/package.json b/packages/api/package.json
index 3b99236972..f0f187219c 100644
--- a/packages/api/package.json
+++ b/packages/api/package.json
@@ -20,16 +20,16 @@
     "./detectPackage.cjs"
   ],
   "type": "module",
-  "version": "6.6.1",
+  "version": "6.6.2-0",
   "main": "index.js",
   "dependencies": {
     "@babel/runtime": "^7.15.4",
-    "@polkadot/api-derive": "6.6.1",
+    "@polkadot/api-derive": "6.6.2-0",
     "@polkadot/keyring": "^7.7.1",
-    "@polkadot/rpc-core": "6.6.1",
-    "@polkadot/rpc-provider": "6.6.1",
-    "@polkadot/types": "6.6.1",
-    "@polkadot/types-known": "6.6.1",
+    "@polkadot/rpc-core": "6.6.2-0",
+    "@polkadot/rpc-provider": "6.6.2-0",
+    "@polkadot/types": "6.6.2-0",
+    "@polkadot/types-known": "6.6.2-0",
     "@polkadot/util": "^7.7.1",
     "@polkadot/util-crypto": "^7.7.1",
     "eventemitter3": "^4.0.7",
diff --git a/packages/api/src/packageInfo.ts b/packages/api/src/packageInfo.ts
index 05ef014efe..49b2d5be21 100644
--- a/packages/api/src/packageInfo.ts
+++ b/packages/api/src/packageInfo.ts
@@ -3,4 +3,4 @@
 
 // Auto-generated by @polkadot/dev, do not edit
 
-export const packageInfo = { name: '@polkadot/api', version: '6.6.1' };
+export const packageInfo = { name: '@polkadot/api', version: '6.6.2-0' };
diff --git a/packages/rpc-core/package.json b/packages/rpc-core/package.json
index 20073b94bd..c10c089479 100644
--- a/packages/rpc-core/package.json
+++ b/packages/rpc-core/package.json
@@ -20,12 +20,12 @@
     "./detectPackage.cjs"
   ],
   "type": "module",
-  "version": "6.6.1",
+  "version": "6.6.2-0",
   "main": "index.js",
   "dependencies": {
     "@babel/runtime": "^7.15.4",
-    "@polkadot/rpc-provider": "6.6.1",
-    "@polkadot/types": "6.6.1",
+    "@polkadot/rpc-provider": "6.6.2-0",
+    "@polkadot/types": "6.6.2-0",
     "@polkadot/util": "^7.7.1",
     "rxjs": "^7.4.0"
   },
diff --git a/packages/rpc-core/src/packageInfo.ts b/packages/rpc-core/src/packageInfo.ts
index 861d2ffe00..b545541100 100644
--- a/packages/rpc-core/src/packageInfo.ts
+++ b/packages/rpc-core/src/packageInfo.ts
@@ -3,4 +3,4 @@
 
 // Auto-generated by @polkadot/dev, do not edit
 
-export const packageInfo = { name: '@polkadot/rpc-core', version: '6.6.1' };
+export const packageInfo = { name: '@polkadot/rpc-core', version: '6.6.2-0' };
diff --git a/packages/rpc-provider/package.json b/packages/rpc-provider/package.json
index 30bb03f663..e805b5d313 100644
--- a/packages/rpc-provider/package.json
+++ b/packages/rpc-provider/package.json
@@ -20,11 +20,11 @@
     "./detectPackage.cjs"
   ],
   "type": "module",
-  "version": "6.6.1",
+  "version": "6.6.2-0",
   "main": "index.js",
   "dependencies": {
     "@babel/runtime": "^7.15.4",
-    "@polkadot/types": "6.6.1",
+    "@polkadot/types": "6.6.2-0",
     "@polkadot/util": "^7.7.1",
     "@polkadot/util-crypto": "^7.7.1",
     "@polkadot/x-fetch": "^7.7.1",
@@ -34,7 +34,7 @@
   },
   "devDependencies": {
     "@polkadot/keyring": "^7.7.1",
-    "@polkadot/types": "6.6.1",
+    "@polkadot/types": "6.6.2-0",
     "mock-socket": "^9.0.6",
     "nock": "^13.1.4"
   }
diff --git a/packages/rpc-provider/src/packageInfo.ts b/packages/rpc-provider/src/packageInfo.ts
index db1b2c0bc9..59241fc3b6 100644
--- a/packages/rpc-provider/src/packageInfo.ts
+++ b/packages/rpc-provider/src/packageInfo.ts
@@ -3,4 +3,4 @@
 
 // Auto-generated by @polkadot/dev, do not edit
 
-export const packageInfo = { name: '@polkadot/rpc-provider', version: '6.6.1' };
+export const packageInfo = { name: '@polkadot/rpc-provider', version: '6.6.2-0' };
diff --git a/packages/typegen/package.json b/packages/typegen/package.json
index 64f5760a51..b1f5cc14d1 100644
--- a/packages/typegen/package.json
+++ b/packages/typegen/package.json
@@ -20,7 +20,7 @@
     "./detectPackage.cjs"
   ],
   "type": "module",
-  "version": "6.6.1",
+  "version": "6.6.2-0",
   "main": "index.js",
   "bin": {
     "polkadot-types-chain-info": "./scripts/polkadot-types-chain-info.cjs",
@@ -33,10 +33,10 @@
     "@babel/core": "^7.15.8",
     "@babel/register": "^7.15.3",
     "@babel/runtime": "^7.15.4",
-    "@polkadot/api": "6.6.1",
-    "@polkadot/rpc-provider": "6.6.1",
-    "@polkadot/types": "6.6.1",
-    "@polkadot/types-support": "6.6.1",
+    "@polkadot/api": "6.6.2-0",
+    "@polkadot/rpc-provider": "6.6.2-0",
+    "@polkadot/types": "6.6.2-0",
+    "@polkadot/types-support": "6.6.2-0",
     "@polkadot/util": "^7.7.1",
     "handlebars": "^4.7.7",
     "websocket": "^1.0.34",
diff --git a/packages/typegen/src/packageInfo.ts b/packages/typegen/src/packageInfo.ts
index c7279cce26..270d7ac0e2 100644
--- a/packages/typegen/src/packageInfo.ts
+++ b/packages/typegen/src/packageInfo.ts
@@ -3,4 +3,4 @@
 
 // Auto-generated by @polkadot/dev, do not edit
 
-export const packageInfo = { name: '@polkadot/typegen', version: '6.6.1' };
+export const packageInfo = { name: '@polkadot/typegen', version: '6.6.2-0' };
diff --git a/packages/types-known/package.json b/packages/types-known/package.json
index 44bd5ec2c1..1bb566bcd3 100644
--- a/packages/types-known/package.json
+++ b/packages/types-known/package.json
@@ -20,12 +20,12 @@
     "./detectPackage.cjs"
   ],
   "type": "module",
-  "version": "6.6.1",
+  "version": "6.6.2-0",
   "main": "index.js",
   "dependencies": {
     "@babel/runtime": "^7.15.4",
     "@polkadot/networks": "^7.7.1",
-    "@polkadot/types": "6.6.1",
+    "@polkadot/types": "6.6.2-0",
     "@polkadot/util": "^7.7.1"
   }
 }
diff --git a/packages/types-known/src/packageInfo.ts b/packages/types-known/src/packageInfo.ts
index d68251a46f..c39f6e77bb 100644
--- a/packages/types-known/src/packageInfo.ts
+++ b/packages/types-known/src/packageInfo.ts
@@ -3,4 +3,4 @@
 
 // Auto-generated by @polkadot/dev, do not edit
 
-export const packageInfo = { name: '@polkadot/types-known', version: '6.6.1' };
+export const packageInfo = { name: '@polkadot/types-known', version: '6.6.2-0' };
diff --git a/packages/types-support/package.json b/packages/types-support/package.json
index 1fecae23db..9a002fb9b6 100644
--- a/packages/types-support/package.json
+++ b/packages/types-support/package.json
@@ -20,7 +20,7 @@
     "./detectPackage.cjs"
   ],
   "type": "module",
-  "version": "6.6.1",
+  "version": "6.6.2-0",
   "main": "index.js",
   "dependencies": {
     "@babel/runtime": "^7.15.4",
diff --git a/packages/types-support/src/packageInfo.ts b/packages/types-support/src/packageInfo.ts
index c2d128c3b8..8dccace2bf 100644
--- a/packages/types-support/src/packageInfo.ts
+++ b/packages/types-support/src/packageInfo.ts
@@ -3,4 +3,4 @@
 
 // Auto-generated by @polkadot/dev, do not edit
 
-export const packageInfo = { name: '@polkadot/types-support', version: '6.6.1' };
+export const packageInfo = { name: '@polkadot/types-support', version: '6.6.2-0' };
diff --git a/packages/types/package.json b/packages/types/package.json
index 88330dda6e..9b1504fdf8 100644
--- a/packages/types/package.json
+++ b/packages/types/package.json
@@ -20,7 +20,7 @@
     "./detectPackage.cjs"
   ],
   "type": "module",
-  "version": "6.6.1",
+  "version": "6.6.2-0",
   "main": "index.js",
   "dependencies": {
     "@babel/runtime": "^7.15.4",
@@ -30,7 +30,7 @@
   },
   "devDependencies": {
     "@polkadot/keyring": "^7.7.1",
-    "@polkadot/types-support": "6.6.1",
+    "@polkadot/types-support": "6.6.2-0",
     "@types/bn.js": "^4.11.6",
     "bn.js": "^4.12.0"
   }
diff --git a/packages/types/src/packageInfo.ts b/packages/types/src/packageInfo.ts
index b7a3ba4f8a..5e41bb008c 100644
--- a/packages/types/src/packageInfo.ts
+++ b/packages/types/src/packageInfo.ts
@@ -3,4 +3,4 @@
 
 // Auto-generated by @polkadot/dev, do not edit
 
-export const packageInfo = { name: '@polkadot/types', version: '6.6.1' };
+export const packageInfo = { name: '@polkadot/types', version: '6.6.2-0' };
diff --git a/yarn.lock b/yarn.lock
index 6db5351222..b91f5d4d58 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1833,40 +1833,40 @@ __metadata:
   resolution: "@polkadot/api-contract@workspace:packages/api-contract"
   dependencies:
     "@babel/runtime": ^7.15.4
-    "@polkadot/api": 6.6.1
-    "@polkadot/types": 6.6.1
+    "@polkadot/api": 6.6.2-0
+    "@polkadot/types": 6.6.2-0
     "@polkadot/util": ^7.7.1
     rxjs: ^7.4.0
   languageName: unknown
   linkType: soft
 
-"@polkadot/api-derive@6.6.1, @polkadot/api-derive@workspace:packages/api-derive":
+"@polkadot/api-derive@6.6.2-0, @polkadot/api-derive@workspace:packages/api-derive":
   version: 0.0.0-use.local
   resolution: "@polkadot/api-derive@workspace:packages/api-derive"
   dependencies:
     "@babel/runtime": ^7.15.4
-    "@polkadot/api": 6.6.1
+    "@polkadot/api": 6.6.2-0
     "@polkadot/keyring": ^7.7.1
-    "@polkadot/rpc-core": 6.6.1
-    "@polkadot/rpc-provider": 6.6.1
-    "@polkadot/types": 6.6.1
+    "@polkadot/rpc-core": 6.6.2-0
+    "@polkadot/rpc-provider": 6.6.2-0
+    "@polkadot/types": 6.6.2-0
     "@polkadot/util": ^7.7.1
     "@polkadot/util-crypto": ^7.7.1
     rxjs: ^7.4.0
   languageName: unknown
   linkType: soft
 
-"@polkadot/api@6.6.1, @polkadot/api@workspace:packages/api":
+"@polkadot/api@6.6.2-0, @polkadot/api@workspace:packages/api":
   version: 0.0.0-use.local
   resolution: "@polkadot/api@workspace:packages/api"
   dependencies:
     "@babel/runtime": ^7.15.4
-    "@polkadot/api-derive": 6.6.1
+    "@polkadot/api-derive": 6.6.2-0
     "@polkadot/keyring": ^7.7.1
-    "@polkadot/rpc-core": 6.6.1
-    "@polkadot/rpc-provider": 6.6.1
-    "@polkadot/types": 6.6.1
-    "@polkadot/types-known": 6.6.1
+    "@polkadot/rpc-core": 6.6.2-0
+    "@polkadot/rpc-provider": 6.6.2-0
+    "@polkadot/types": 6.6.2-0
+    "@polkadot/types-known": 6.6.2-0
     "@polkadot/util": ^7.7.1
     "@polkadot/util-crypto": ^7.7.1
     eventemitter3: ^4.0.7
@@ -1991,26 +1991,26 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@polkadot/rpc-core@6.6.1, @polkadot/rpc-core@workspace:packages/rpc-core":
+"@polkadot/rpc-core@6.6.2-0, @polkadot/rpc-core@workspace:packages/rpc-core":
   version: 0.0.0-use.local
   resolution: "@polkadot/rpc-core@workspace:packages/rpc-core"
   dependencies:
     "@babel/runtime": ^7.15.4
     "@polkadot/keyring": ^7.7.1
-    "@polkadot/rpc-provider": 6.6.1
-    "@polkadot/types": 6.6.1
+    "@polkadot/rpc-provider": 6.6.2-0
+    "@polkadot/types": 6.6.2-0
     "@polkadot/util": ^7.7.1
     rxjs: ^7.4.0
   languageName: unknown
   linkType: soft
 
-"@polkadot/rpc-provider@6.6.1, @polkadot/rpc-provider@workspace:packages/rpc-provider":
+"@polkadot/rpc-provider@6.6.2-0, @polkadot/rpc-provider@workspace:packages/rpc-provider":
   version: 0.0.0-use.local
   resolution: "@polkadot/rpc-provider@workspace:packages/rpc-provider"
   dependencies:
     "@babel/runtime": ^7.15.4
     "@polkadot/keyring": ^7.7.1
-    "@polkadot/types": 6.6.1
+    "@polkadot/types": 6.6.2-0
     "@polkadot/util": ^7.7.1
     "@polkadot/util-crypto": ^7.7.1
     "@polkadot/x-fetch": ^7.7.1
@@ -2038,10 +2038,10 @@ __metadata:
     "@babel/core": ^7.15.8
     "@babel/register": ^7.15.3
     "@babel/runtime": ^7.15.4
-    "@polkadot/api": 6.6.1
-    "@polkadot/rpc-provider": 6.6.1
-    "@polkadot/types": 6.6.1
-    "@polkadot/types-support": 6.6.1
+    "@polkadot/api": 6.6.2-0
+    "@polkadot/rpc-provider": 6.6.2-0
+    "@polkadot/types": 6.6.2-0
+    "@polkadot/types-support": 6.6.2-0
     "@polkadot/util": ^7.7.1
     "@types/websocket": ^1.0.4
     "@types/yargs": ^17.0.4
@@ -2057,18 +2057,18 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@polkadot/types-known@6.6.1, @polkadot/types-known@workspace:packages/types-known":
+"@polkadot/types-known@6.6.2-0, @polkadot/types-known@workspace:packages/types-known":
   version: 0.0.0-use.local
   resolution: "@polkadot/types-known@workspace:packages/types-known"
   dependencies:
     "@babel/runtime": ^7.15.4
     "@polkadot/networks": ^7.7.1
-    "@polkadot/types": 6.6.1
+    "@polkadot/types": 6.6.2-0
     "@polkadot/util": ^7.7.1
   languageName: unknown
   linkType: soft
 
-"@polkadot/types-support@6.6.1, @polkadot/types-support@workspace:packages/types-support":
+"@polkadot/types-support@6.6.2-0, @polkadot/types-support@workspace:packages/types-support":
   version: 0.0.0-use.local
   resolution: "@polkadot/types-support@workspace:packages/types-support"
   dependencies:
@@ -2077,13 +2077,13 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@polkadot/types@6.6.1, @polkadot/types@workspace:packages/types":
+"@polkadot/types@6.6.2-0, @polkadot/types@workspace:packages/types":
   version: 0.0.0-use.local
   resolution: "@polkadot/types@workspace:packages/types"
   dependencies:
     "@babel/runtime": ^7.15.4
     "@polkadot/keyring": ^7.7.1
-    "@polkadot/types-support": 6.6.1
+    "@polkadot/types-support": 6.6.2-0
     "@polkadot/util": ^7.7.1
     "@polkadot/util-crypto": ^7.7.1
     "@types/bn.js": ^4.11.6