diff --git a/package.json b/package.json
index 540948ef20..ca8c67761b 100644
--- a/package.json
+++ b/package.json
@@ -34,5 +34,5 @@
     "@types/jest": "^26.0.20",
     "copyfiles": "^2.4.1"
   },
-  "version": "3.7.4-6"
+  "version": "3.7.4-7"
 }
diff --git a/packages/api-contract/package.json b/packages/api-contract/package.json
index c9138e14d1..8a9447c0ae 100644
--- a/packages/api-contract/package.json
+++ b/packages/api-contract/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/api-contract",
-  "version": "3.7.4-6",
+  "version": "3.7.4-7",
   "description": "Interfaces for interacting with contracts and contract ABIs",
   "main": "index.js",
   "sideEffects": false,
@@ -13,8 +13,8 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/api-contract#readme",
   "dependencies": {
     "@babel/runtime": "^7.12.5",
-    "@polkadot/api": "3.7.4-6",
-    "@polkadot/types": "3.7.4-6",
+    "@polkadot/api": "3.7.4-7",
+    "@polkadot/types": "3.7.4-7",
     "@polkadot/util": "^5.5.3-3",
     "@polkadot/x-rxjs": "^5.5.3-3",
     "bn.js": "^4.11.9"
diff --git a/packages/api-derive/package.json b/packages/api-derive/package.json
index 4dc3e33258..f1435fdbf4 100644
--- a/packages/api-derive/package.json
+++ b/packages/api-derive/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/api-derive",
-  "version": "3.7.4-6",
+  "version": "3.7.4-7",
   "description": "Common functions used across Polkadot, derived from RPC calls and storage queries.",
   "main": "index.js",
   "sideEffects": false,
@@ -13,9 +13,9 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/api-derive#readme",
   "dependencies": {
     "@babel/runtime": "^7.12.5",
-    "@polkadot/api": "3.7.4-6",
-    "@polkadot/rpc-core": "3.7.4-6",
-    "@polkadot/types": "3.7.4-6",
+    "@polkadot/api": "3.7.4-7",
+    "@polkadot/rpc-core": "3.7.4-7",
+    "@polkadot/types": "3.7.4-7",
     "@polkadot/util": "^5.5.3-3",
     "@polkadot/util-crypto": "^5.5.3-3",
     "@polkadot/x-rxjs": "^5.5.3-3",
@@ -23,6 +23,6 @@
   },
   "devDependencies": {
     "@polkadot/keyring": "^5.5.3-3",
-    "@polkadot/rpc-provider": "3.7.4-6"
+    "@polkadot/rpc-provider": "3.7.4-7"
   }
 }
diff --git a/packages/api/package.json b/packages/api/package.json
index 842c3d23fe..3019df0084 100644
--- a/packages/api/package.json
+++ b/packages/api/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/api",
-  "version": "3.7.4-6",
+  "version": "3.7.4-7",
   "description": "Promise and RxJS wrappers around the Polkadot JS RPC",
   "main": "index.js",
   "sideEffects": [
@@ -16,13 +16,13 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/api#readme",
   "dependencies": {
     "@babel/runtime": "^7.12.5",
-    "@polkadot/api-derive": "3.7.4-6",
+    "@polkadot/api-derive": "3.7.4-7",
     "@polkadot/keyring": "^5.5.3-3",
-    "@polkadot/metadata": "3.7.4-6",
-    "@polkadot/rpc-core": "3.7.4-6",
-    "@polkadot/rpc-provider": "3.7.4-6",
-    "@polkadot/types": "3.7.4-6",
-    "@polkadot/types-known": "3.7.4-6",
+    "@polkadot/metadata": "3.7.4-7",
+    "@polkadot/rpc-core": "3.7.4-7",
+    "@polkadot/rpc-provider": "3.7.4-7",
+    "@polkadot/types": "3.7.4-7",
+    "@polkadot/types-known": "3.7.4-7",
     "@polkadot/util": "^5.5.3-3",
     "@polkadot/util-crypto": "^5.5.3-3",
     "@polkadot/x-rxjs": "^5.5.3-3",
diff --git a/packages/metadata/package.json b/packages/metadata/package.json
index 6034471ac7..0c749cf7f7 100644
--- a/packages/metadata/package.json
+++ b/packages/metadata/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/metadata",
-  "version": "3.7.4-6",
+  "version": "3.7.4-7",
   "description": "Helpers to extract information from runtime metadata",
   "main": "index.js",
   "sideEffects": [
@@ -16,8 +16,8 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/type-metadata#readme",
   "dependencies": {
     "@babel/runtime": "^7.12.5",
-    "@polkadot/types": "3.7.4-6",
-    "@polkadot/types-known": "3.7.4-6",
+    "@polkadot/types": "3.7.4-7",
+    "@polkadot/types-known": "3.7.4-7",
     "@polkadot/util": "^5.5.3-3",
     "@polkadot/util-crypto": "^5.5.3-3",
     "bn.js": "^4.11.9"
diff --git a/packages/rpc-core/package.json b/packages/rpc-core/package.json
index 1515593285..e25dd33e92 100644
--- a/packages/rpc-core/package.json
+++ b/packages/rpc-core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/rpc-core",
-  "version": "3.7.4-6",
+  "version": "3.7.4-7",
   "description": "A JavaScript wrapper for the Polkadot JsonRPC interface",
   "main": "index.js",
   "sideEffects": false,
@@ -13,9 +13,9 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/rpc-core#readme",
   "dependencies": {
     "@babel/runtime": "^7.12.5",
-    "@polkadot/metadata": "3.7.4-6",
-    "@polkadot/rpc-provider": "3.7.4-6",
-    "@polkadot/types": "3.7.4-6",
+    "@polkadot/metadata": "3.7.4-7",
+    "@polkadot/rpc-provider": "3.7.4-7",
+    "@polkadot/types": "3.7.4-7",
     "@polkadot/util": "^5.5.3-3",
     "@polkadot/x-rxjs": "^5.5.3-3"
   },
diff --git a/packages/rpc-provider/package.json b/packages/rpc-provider/package.json
index a332181c20..a3ed1e428f 100644
--- a/packages/rpc-provider/package.json
+++ b/packages/rpc-provider/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/rpc-provider",
-  "version": "3.7.4-6",
+  "version": "3.7.4-7",
   "description": "Transport providers for the API",
   "main": "index.js",
   "sideEffects": false,
@@ -13,7 +13,7 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/rpc-provider#readme",
   "dependencies": {
     "@babel/runtime": "^7.12.5",
-    "@polkadot/types": "3.7.4-6",
+    "@polkadot/types": "3.7.4-7",
     "@polkadot/util": "^5.5.3-3",
     "@polkadot/util-crypto": "^5.5.3-3",
     "@polkadot/x-fetch": "^5.5.3-3",
@@ -24,7 +24,7 @@
   },
   "devDependencies": {
     "@polkadot/keyring": "^5.5.3-3",
-    "@polkadot/metadata": "3.7.4-6",
+    "@polkadot/metadata": "3.7.4-7",
     "mock-socket": "^9.0.3",
     "nock": "^13.0.7"
   }
diff --git a/packages/typegen/package.json b/packages/typegen/package.json
index fcb75e0ad8..2db3ea7d37 100644
--- a/packages/typegen/package.json
+++ b/packages/typegen/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/typegen",
-  "version": "3.7.4-6",
+  "version": "3.7.4-7",
   "description": "Type generation scripts",
   "main": "index.js",
   "sideEffects": false,
@@ -22,10 +22,10 @@
     "@babel/core": "^7.12.10",
     "@babel/register": "^7.12.10",
     "@babel/runtime": "^7.12.5",
-    "@polkadot/api": "3.7.4-6",
-    "@polkadot/metadata": "3.7.4-6",
-    "@polkadot/rpc-provider": "3.7.4-6",
-    "@polkadot/types": "3.7.4-6",
+    "@polkadot/api": "3.7.4-7",
+    "@polkadot/metadata": "3.7.4-7",
+    "@polkadot/rpc-provider": "3.7.4-7",
+    "@polkadot/types": "3.7.4-7",
     "@polkadot/util": "^5.5.3-3",
     "handlebars": "^4.7.6",
     "websocket": "^1.0.33",
diff --git a/packages/types-known/package.json b/packages/types-known/package.json
index a7901baf5c..dc71f084f8 100644
--- a/packages/types-known/package.json
+++ b/packages/types-known/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/types-known",
-  "version": "3.7.4-6",
+  "version": "3.7.4-7",
   "description": "A JavaScript wrapper for the Polkadot JsonRPC interface",
   "main": "index.js",
   "sideEffects": false,
@@ -14,7 +14,7 @@
   "dependencies": {
     "@babel/runtime": "^7.12.5",
     "@polkadot/networks": "^5.5.3-3",
-    "@polkadot/types": "3.7.4-6",
+    "@polkadot/types": "3.7.4-7",
     "@polkadot/util": "^5.5.3-3",
     "bn.js": "^4.11.9"
   },
diff --git a/packages/types/package.json b/packages/types/package.json
index d0a0ad7f82..e77ccbbb27 100644
--- a/packages/types/package.json
+++ b/packages/types/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/types",
-  "version": "3.7.4-6",
+  "version": "3.7.4-7",
   "description": "Implementation of the Parity codec",
   "main": "index.js",
   "sideEffects": [
@@ -16,7 +16,7 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/types#readme",
   "dependencies": {
     "@babel/runtime": "^7.12.5",
-    "@polkadot/metadata": "3.7.4-6",
+    "@polkadot/metadata": "3.7.4-7",
     "@polkadot/util": "^5.5.3-3",
     "@polkadot/util-crypto": "^5.5.3-3",
     "@polkadot/x-rxjs": "^5.5.3-3",
diff --git a/yarn.lock b/yarn.lock
index 5f310ba73a..0017379cd6 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1622,24 +1622,24 @@ __metadata:
   resolution: "@polkadot/api-contract@workspace:packages/api-contract"
   dependencies:
     "@babel/runtime": ^7.12.5
-    "@polkadot/api": 3.7.4-6
-    "@polkadot/types": 3.7.4-6
+    "@polkadot/api": 3.7.4-7
+    "@polkadot/types": 3.7.4-7
     "@polkadot/util": ^5.5.3-3
     "@polkadot/x-rxjs": ^5.5.3-3
     bn.js: ^4.11.9
   languageName: unknown
   linkType: soft
 
-"@polkadot/api-derive@3.7.4-6, @polkadot/api-derive@workspace:packages/api-derive":
+"@polkadot/api-derive@3.7.4-7, @polkadot/api-derive@workspace:packages/api-derive":
   version: 0.0.0-use.local
   resolution: "@polkadot/api-derive@workspace:packages/api-derive"
   dependencies:
     "@babel/runtime": ^7.12.5
-    "@polkadot/api": 3.7.4-6
+    "@polkadot/api": 3.7.4-7
     "@polkadot/keyring": ^5.5.3-3
-    "@polkadot/rpc-core": 3.7.4-6
-    "@polkadot/rpc-provider": 3.7.4-6
-    "@polkadot/types": 3.7.4-6
+    "@polkadot/rpc-core": 3.7.4-7
+    "@polkadot/rpc-provider": 3.7.4-7
+    "@polkadot/types": 3.7.4-7
     "@polkadot/util": ^5.5.3-3
     "@polkadot/util-crypto": ^5.5.3-3
     "@polkadot/x-rxjs": ^5.5.3-3
@@ -1647,18 +1647,18 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@polkadot/api@3.7.4-6, @polkadot/api@workspace:packages/api":
+"@polkadot/api@3.7.4-7, @polkadot/api@workspace:packages/api":
   version: 0.0.0-use.local
   resolution: "@polkadot/api@workspace:packages/api"
   dependencies:
     "@babel/runtime": ^7.12.5
-    "@polkadot/api-derive": 3.7.4-6
+    "@polkadot/api-derive": 3.7.4-7
     "@polkadot/keyring": ^5.5.3-3
-    "@polkadot/metadata": 3.7.4-6
-    "@polkadot/rpc-core": 3.7.4-6
-    "@polkadot/rpc-provider": 3.7.4-6
-    "@polkadot/types": 3.7.4-6
-    "@polkadot/types-known": 3.7.4-6
+    "@polkadot/metadata": 3.7.4-7
+    "@polkadot/rpc-core": 3.7.4-7
+    "@polkadot/rpc-provider": 3.7.4-7
+    "@polkadot/types": 3.7.4-7
+    "@polkadot/types-known": 3.7.4-7
     "@polkadot/util": ^5.5.3-3
     "@polkadot/util-crypto": ^5.5.3-3
     "@polkadot/x-rxjs": ^5.5.3-3
@@ -1772,14 +1772,14 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@polkadot/metadata@3.7.4-6, @polkadot/metadata@workspace:packages/metadata":
+"@polkadot/metadata@3.7.4-7, @polkadot/metadata@workspace:packages/metadata":
   version: 0.0.0-use.local
   resolution: "@polkadot/metadata@workspace:packages/metadata"
   dependencies:
     "@babel/runtime": ^7.12.5
     "@polkadot/keyring": ^5.5.3-3
-    "@polkadot/types": 3.7.4-6
-    "@polkadot/types-known": 3.7.4-6
+    "@polkadot/types": 3.7.4-7
+    "@polkadot/types-known": 3.7.4-7
     "@polkadot/util": ^5.5.3-3
     "@polkadot/util-crypto": ^5.5.3-3
     bn.js: ^4.11.9
@@ -1795,28 +1795,28 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@polkadot/rpc-core@3.7.4-6, @polkadot/rpc-core@workspace:packages/rpc-core":
+"@polkadot/rpc-core@3.7.4-7, @polkadot/rpc-core@workspace:packages/rpc-core":
   version: 0.0.0-use.local
   resolution: "@polkadot/rpc-core@workspace:packages/rpc-core"
   dependencies:
     "@babel/runtime": ^7.12.5
     "@polkadot/keyring": ^5.5.3-3
-    "@polkadot/metadata": 3.7.4-6
-    "@polkadot/rpc-provider": 3.7.4-6
-    "@polkadot/types": 3.7.4-6
+    "@polkadot/metadata": 3.7.4-7
+    "@polkadot/rpc-provider": 3.7.4-7
+    "@polkadot/types": 3.7.4-7
     "@polkadot/util": ^5.5.3-3
     "@polkadot/x-rxjs": ^5.5.3-3
   languageName: unknown
   linkType: soft
 
-"@polkadot/rpc-provider@3.7.4-6, @polkadot/rpc-provider@workspace:packages/rpc-provider":
+"@polkadot/rpc-provider@3.7.4-7, @polkadot/rpc-provider@workspace:packages/rpc-provider":
   version: 0.0.0-use.local
   resolution: "@polkadot/rpc-provider@workspace:packages/rpc-provider"
   dependencies:
     "@babel/runtime": ^7.12.5
     "@polkadot/keyring": ^5.5.3-3
-    "@polkadot/metadata": 3.7.4-6
-    "@polkadot/types": 3.7.4-6
+    "@polkadot/metadata": 3.7.4-7
+    "@polkadot/types": 3.7.4-7
     "@polkadot/util": ^5.5.3-3
     "@polkadot/util-crypto": ^5.5.3-3
     "@polkadot/x-fetch": ^5.5.3-3
@@ -1845,10 +1845,10 @@ __metadata:
     "@babel/core": ^7.12.10
     "@babel/register": ^7.12.10
     "@babel/runtime": ^7.12.5
-    "@polkadot/api": 3.7.4-6
-    "@polkadot/metadata": 3.7.4-6
-    "@polkadot/rpc-provider": 3.7.4-6
-    "@polkadot/types": 3.7.4-6
+    "@polkadot/api": 3.7.4-7
+    "@polkadot/metadata": 3.7.4-7
+    "@polkadot/rpc-provider": 3.7.4-7
+    "@polkadot/types": 3.7.4-7
     "@polkadot/util": ^5.5.3-3
     "@types/websocket": ^1.0.1
     "@types/yargs": ^15.0.13
@@ -1864,26 +1864,26 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@polkadot/types-known@3.7.4-6, @polkadot/types-known@workspace:packages/types-known":
+"@polkadot/types-known@3.7.4-7, @polkadot/types-known@workspace:packages/types-known":
   version: 0.0.0-use.local
   resolution: "@polkadot/types-known@workspace:packages/types-known"
   dependencies:
     "@babel/runtime": ^7.12.5
     "@polkadot/networks": ^5.5.3-3
-    "@polkadot/types": 3.7.4-6
+    "@polkadot/types": 3.7.4-7
     "@polkadot/util": ^5.5.3-3
     "@types/bn.js": ^4.11.6
     bn.js: ^4.11.9
   languageName: unknown
   linkType: soft
 
-"@polkadot/types@3.7.4-6, @polkadot/types@workspace:packages/types":
+"@polkadot/types@3.7.4-7, @polkadot/types@workspace:packages/types":
   version: 0.0.0-use.local
   resolution: "@polkadot/types@workspace:packages/types"
   dependencies:
     "@babel/runtime": ^7.12.5
     "@polkadot/keyring": ^5.5.3-3
-    "@polkadot/metadata": 3.7.4-6
+    "@polkadot/metadata": 3.7.4-7
     "@polkadot/util": ^5.5.3-3
     "@polkadot/util-crypto": ^5.5.3-3
     "@polkadot/x-rxjs": ^5.5.3-3