diff --git a/package.json b/package.json
index 8377bbfa10..ee9e0f1eda 100644
--- a/package.json
+++ b/package.json
@@ -32,5 +32,5 @@
     "@types/jest": "^26.0.15",
     "copyfiles": "^2.4.0"
   },
-  "version": "2.6.2-3"
+  "version": "2.6.2-4"
 }
diff --git a/packages/api-contract/package.json b/packages/api-contract/package.json
index a8598edbf5..5732ac0081 100644
--- a/packages/api-contract/package.json
+++ b/packages/api-contract/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/api-contract",
-  "version": "2.6.2-3",
+  "version": "2.6.2-4",
   "description": "Interfaces for interacting with contracts and contract ABIs",
   "main": "index.js",
   "module": "index.mjs",
@@ -29,8 +29,8 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/api-contract#readme",
   "dependencies": {
     "@babel/runtime": "^7.12.1",
-    "@polkadot/api": "2.6.2-3",
-    "@polkadot/types": "2.6.2-3",
+    "@polkadot/api": "2.6.2-4",
+    "@polkadot/types": "2.6.2-4",
     "@polkadot/util": "^4.0.2-8",
     "bn.js": "^5.1.3",
     "rxjs": "^6.6.3"
diff --git a/packages/api-derive/package.json b/packages/api-derive/package.json
index 18aaf8fcf6..0b30b0f60c 100644
--- a/packages/api-derive/package.json
+++ b/packages/api-derive/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/api-derive",
-  "version": "2.6.2-3",
+  "version": "2.6.2-4",
   "description": "Common functions used across Polkadot, derived from RPC calls and storage queries.",
   "main": "index.js",
   "module": "index.mjs",
@@ -30,9 +30,9 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/api-derive#readme",
   "dependencies": {
     "@babel/runtime": "^7.12.1",
-    "@polkadot/api": "2.6.2-3",
-    "@polkadot/rpc-core": "2.6.2-3",
-    "@polkadot/types": "2.6.2-3",
+    "@polkadot/api": "2.6.2-4",
+    "@polkadot/rpc-core": "2.6.2-4",
+    "@polkadot/types": "2.6.2-4",
     "@polkadot/util": "^4.0.2-8",
     "@polkadot/util-crypto": "^4.0.2-8",
     "bn.js": "^5.1.3",
@@ -41,6 +41,6 @@
   },
   "devDependencies": {
     "@polkadot/keyring": "^4.0.2-8",
-    "@polkadot/rpc-provider": "2.6.2-3"
+    "@polkadot/rpc-provider": "2.6.2-4"
   }
 }
diff --git a/packages/api/package.json b/packages/api/package.json
index ef3dfc1ad8..f966414896 100644
--- a/packages/api/package.json
+++ b/packages/api/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/api",
-  "version": "2.6.2-3",
+  "version": "2.6.2-4",
   "description": "Promise and RxJS wrappers around the Polkadot JS RPC",
   "main": "index.js",
   "module": "index.mjs",
@@ -29,13 +29,13 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/api#readme",
   "dependencies": {
     "@babel/runtime": "^7.12.1",
-    "@polkadot/api-derive": "2.6.2-3",
+    "@polkadot/api-derive": "2.6.2-4",
     "@polkadot/keyring": "^4.0.2-8",
-    "@polkadot/metadata": "2.6.2-3",
-    "@polkadot/rpc-core": "2.6.2-3",
-    "@polkadot/rpc-provider": "2.6.2-3",
-    "@polkadot/types": "2.6.2-3",
-    "@polkadot/types-known": "2.6.2-3",
+    "@polkadot/metadata": "2.6.2-4",
+    "@polkadot/rpc-core": "2.6.2-4",
+    "@polkadot/rpc-provider": "2.6.2-4",
+    "@polkadot/types": "2.6.2-4",
+    "@polkadot/types-known": "2.6.2-4",
     "@polkadot/util": "^4.0.2-8",
     "@polkadot/util-crypto": "^4.0.2-8",
     "bn.js": "^5.1.3",
diff --git a/packages/metadata/package.json b/packages/metadata/package.json
index 088568e8cf..4b62d7b367 100644
--- a/packages/metadata/package.json
+++ b/packages/metadata/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/metadata",
-  "version": "2.6.2-3",
+  "version": "2.6.2-4",
   "description": "Helpers to extract information from runtime metadata",
   "main": "index.js",
   "module": "index.mjs",
@@ -29,8 +29,8 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/type-metadata#readme",
   "dependencies": {
     "@babel/runtime": "^7.12.1",
-    "@polkadot/types": "2.6.2-3",
-    "@polkadot/types-known": "2.6.2-3",
+    "@polkadot/types": "2.6.2-4",
+    "@polkadot/types-known": "2.6.2-4",
     "@polkadot/util": "^4.0.2-8",
     "@polkadot/util-crypto": "^4.0.2-8",
     "bn.js": "^5.1.3"
diff --git a/packages/rpc-core/package.json b/packages/rpc-core/package.json
index ce4f5fc7f4..c1800e2dac 100644
--- a/packages/rpc-core/package.json
+++ b/packages/rpc-core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/rpc-core",
-  "version": "2.6.2-3",
+  "version": "2.6.2-4",
   "description": "A JavaScript wrapper for the Polkadot JsonRPC interface",
   "main": "index.js",
   "module": "index.mjs",
@@ -29,9 +29,9 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/rpc-core#readme",
   "dependencies": {
     "@babel/runtime": "^7.12.1",
-    "@polkadot/metadata": "2.6.2-3",
-    "@polkadot/rpc-provider": "2.6.2-3",
-    "@polkadot/types": "2.6.2-3",
+    "@polkadot/metadata": "2.6.2-4",
+    "@polkadot/rpc-provider": "2.6.2-4",
+    "@polkadot/types": "2.6.2-4",
     "@polkadot/util": "^4.0.2-8",
     "memoizee": "^0.4.14",
     "rxjs": "^6.6.3"
diff --git a/packages/rpc-provider/package.json b/packages/rpc-provider/package.json
index 8eeec71379..7616be2482 100644
--- a/packages/rpc-provider/package.json
+++ b/packages/rpc-provider/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/rpc-provider",
-  "version": "2.6.2-3",
+  "version": "2.6.2-4",
   "description": "Transport providers for the API",
   "main": "index.js",
   "module": "index.mjs",
@@ -29,7 +29,7 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/rpc-provider#readme",
   "dependencies": {
     "@babel/runtime": "^7.12.1",
-    "@polkadot/types": "2.6.2-3",
+    "@polkadot/types": "2.6.2-4",
     "@polkadot/util": "^4.0.2-8",
     "@polkadot/util-crypto": "^4.0.2-8",
     "@polkadot/x-fetch": "^4.0.2-8",
@@ -39,7 +39,7 @@
   },
   "devDependencies": {
     "@polkadot/keyring": "^4.0.2-8",
-    "@polkadot/metadata": "2.6.2-3",
+    "@polkadot/metadata": "2.6.2-4",
     "mock-socket": "^9.0.3",
     "nock": "^13.0.4"
   }
diff --git a/packages/typegen/package.json b/packages/typegen/package.json
index c415962ffb..c5e6bd3acd 100644
--- a/packages/typegen/package.json
+++ b/packages/typegen/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/typegen",
-  "version": "2.6.2-3",
+  "version": "2.6.2-4",
   "description": "Type generation scripts",
   "main": "index.js",
   "module": "index.mjs",
@@ -38,10 +38,10 @@
     "@babel/core": "^7.12.3",
     "@babel/register": "^7.12.1",
     "@babel/runtime": "^7.12.1",
-    "@polkadot/api": "2.6.2-3",
-    "@polkadot/metadata": "2.6.2-3",
-    "@polkadot/rpc-provider": "2.6.2-3",
-    "@polkadot/types": "2.6.2-3",
+    "@polkadot/api": "2.6.2-4",
+    "@polkadot/metadata": "2.6.2-4",
+    "@polkadot/rpc-provider": "2.6.2-4",
+    "@polkadot/types": "2.6.2-4",
     "@polkadot/util": "^4.0.2-8",
     "handlebars": "^4.7.6",
     "websocket": "^1.0.32",
diff --git a/packages/types-known/package.json b/packages/types-known/package.json
index 45ab9346bf..cd30a7da8a 100644
--- a/packages/types-known/package.json
+++ b/packages/types-known/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/types-known",
-  "version": "2.6.2-3",
+  "version": "2.6.2-4",
   "description": "A JavaScript wrapper for the Polkadot JsonRPC interface",
   "main": "index.js",
   "module": "index.mjs",
@@ -29,7 +29,7 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/types-known#readme",
   "dependencies": {
     "@babel/runtime": "^7.12.1",
-    "@polkadot/types": "2.6.2-3",
+    "@polkadot/types": "2.6.2-4",
     "@polkadot/util": "^4.0.2-8",
     "bn.js": "^5.1.3"
   },
diff --git a/packages/types/package.json b/packages/types/package.json
index 1d87948a04..101e276665 100644
--- a/packages/types/package.json
+++ b/packages/types/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/types",
-  "version": "2.6.2-3",
+  "version": "2.6.2-4",
   "description": "Implementation of the Parity codec",
   "main": "index.js",
   "module": "index.mjs",
@@ -29,7 +29,7 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/types#readme",
   "dependencies": {
     "@babel/runtime": "^7.12.1",
-    "@polkadot/metadata": "2.6.2-3",
+    "@polkadot/metadata": "2.6.2-4",
     "@polkadot/util": "^4.0.2-8",
     "@polkadot/util-crypto": "^4.0.2-8",
     "@types/bn.js": "^4.11.6",
diff --git a/yarn.lock b/yarn.lock
index 5a29e49e27..0f0426fd0e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1751,24 +1751,24 @@ __metadata:
   resolution: "@polkadot/api-contract@workspace:packages/api-contract"
   dependencies:
     "@babel/runtime": ^7.12.1
-    "@polkadot/api": 2.6.2-3
-    "@polkadot/types": 2.6.2-3
+    "@polkadot/api": 2.6.2-4
+    "@polkadot/types": 2.6.2-4
     "@polkadot/util": ^4.0.2-8
     bn.js: ^5.1.3
     rxjs: ^6.6.3
   languageName: unknown
   linkType: soft
 
-"@polkadot/api-derive@2.6.2-3, @polkadot/api-derive@workspace:packages/api-derive":
+"@polkadot/api-derive@2.6.2-4, @polkadot/api-derive@workspace:packages/api-derive":
   version: 0.0.0-use.local
   resolution: "@polkadot/api-derive@workspace:packages/api-derive"
   dependencies:
     "@babel/runtime": ^7.12.1
-    "@polkadot/api": 2.6.2-3
+    "@polkadot/api": 2.6.2-4
     "@polkadot/keyring": ^4.0.2-8
-    "@polkadot/rpc-core": 2.6.2-3
-    "@polkadot/rpc-provider": 2.6.2-3
-    "@polkadot/types": 2.6.2-3
+    "@polkadot/rpc-core": 2.6.2-4
+    "@polkadot/rpc-provider": 2.6.2-4
+    "@polkadot/types": 2.6.2-4
     "@polkadot/util": ^4.0.2-8
     "@polkadot/util-crypto": ^4.0.2-8
     bn.js: ^5.1.3
@@ -1777,18 +1777,18 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@polkadot/api@2.6.2-3, @polkadot/api@workspace:packages/api":
+"@polkadot/api@2.6.2-4, @polkadot/api@workspace:packages/api":
   version: 0.0.0-use.local
   resolution: "@polkadot/api@workspace:packages/api"
   dependencies:
     "@babel/runtime": ^7.12.1
-    "@polkadot/api-derive": 2.6.2-3
+    "@polkadot/api-derive": 2.6.2-4
     "@polkadot/keyring": ^4.0.2-8
-    "@polkadot/metadata": 2.6.2-3
-    "@polkadot/rpc-core": 2.6.2-3
-    "@polkadot/rpc-provider": 2.6.2-3
-    "@polkadot/types": 2.6.2-3
-    "@polkadot/types-known": 2.6.2-3
+    "@polkadot/metadata": 2.6.2-4
+    "@polkadot/rpc-core": 2.6.2-4
+    "@polkadot/rpc-provider": 2.6.2-4
+    "@polkadot/types": 2.6.2-4
+    "@polkadot/types-known": 2.6.2-4
     "@polkadot/util": ^4.0.2-8
     "@polkadot/util-crypto": ^4.0.2-8
     bn.js: ^5.1.3
@@ -1904,14 +1904,14 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@polkadot/metadata@2.6.2-3, @polkadot/metadata@workspace:packages/metadata":
+"@polkadot/metadata@2.6.2-4, @polkadot/metadata@workspace:packages/metadata":
   version: 0.0.0-use.local
   resolution: "@polkadot/metadata@workspace:packages/metadata"
   dependencies:
     "@babel/runtime": ^7.12.1
     "@polkadot/keyring": ^4.0.2-8
-    "@polkadot/types": 2.6.2-3
-    "@polkadot/types-known": 2.6.2-3
+    "@polkadot/types": 2.6.2-4
+    "@polkadot/types-known": 2.6.2-4
     "@polkadot/util": ^4.0.2-8
     "@polkadot/util-crypto": ^4.0.2-8
     bn.js: ^5.1.3
@@ -1927,29 +1927,29 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@polkadot/rpc-core@2.6.2-3, @polkadot/rpc-core@workspace:packages/rpc-core":
+"@polkadot/rpc-core@2.6.2-4, @polkadot/rpc-core@workspace:packages/rpc-core":
   version: 0.0.0-use.local
   resolution: "@polkadot/rpc-core@workspace:packages/rpc-core"
   dependencies:
     "@babel/runtime": ^7.12.1
     "@polkadot/keyring": ^4.0.2-8
-    "@polkadot/metadata": 2.6.2-3
-    "@polkadot/rpc-provider": 2.6.2-3
-    "@polkadot/types": 2.6.2-3
+    "@polkadot/metadata": 2.6.2-4
+    "@polkadot/rpc-provider": 2.6.2-4
+    "@polkadot/types": 2.6.2-4
     "@polkadot/util": ^4.0.2-8
     memoizee: ^0.4.14
     rxjs: ^6.6.3
   languageName: unknown
   linkType: soft
 
-"@polkadot/rpc-provider@2.6.2-3, @polkadot/rpc-provider@workspace:packages/rpc-provider":
+"@polkadot/rpc-provider@2.6.2-4, @polkadot/rpc-provider@workspace:packages/rpc-provider":
   version: 0.0.0-use.local
   resolution: "@polkadot/rpc-provider@workspace:packages/rpc-provider"
   dependencies:
     "@babel/runtime": ^7.12.1
     "@polkadot/keyring": ^4.0.2-8
-    "@polkadot/metadata": 2.6.2-3
-    "@polkadot/types": 2.6.2-3
+    "@polkadot/metadata": 2.6.2-4
+    "@polkadot/types": 2.6.2-4
     "@polkadot/util": ^4.0.2-8
     "@polkadot/util-crypto": ^4.0.2-8
     "@polkadot/x-fetch": ^4.0.2-8
@@ -1977,10 +1977,10 @@ __metadata:
     "@babel/core": ^7.12.3
     "@babel/register": ^7.12.1
     "@babel/runtime": ^7.12.1
-    "@polkadot/api": 2.6.2-3
-    "@polkadot/metadata": 2.6.2-3
-    "@polkadot/rpc-provider": 2.6.2-3
-    "@polkadot/types": 2.6.2-3
+    "@polkadot/api": 2.6.2-4
+    "@polkadot/metadata": 2.6.2-4
+    "@polkadot/rpc-provider": 2.6.2-4
+    "@polkadot/types": 2.6.2-4
     "@polkadot/util": ^4.0.2-8
     "@types/websocket": ^1.0.1
     "@types/yargs": ^15.0.9
@@ -1996,25 +1996,25 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@polkadot/types-known@2.6.2-3, @polkadot/types-known@workspace:packages/types-known":
+"@polkadot/types-known@2.6.2-4, @polkadot/types-known@workspace:packages/types-known":
   version: 0.0.0-use.local
   resolution: "@polkadot/types-known@workspace:packages/types-known"
   dependencies:
     "@babel/runtime": ^7.12.1
-    "@polkadot/types": 2.6.2-3
+    "@polkadot/types": 2.6.2-4
     "@polkadot/util": ^4.0.2-8
     "@types/bn.js": ^4.11.6
     bn.js: ^5.1.3
   languageName: unknown
   linkType: soft
 
-"@polkadot/types@2.6.2-3, @polkadot/types@workspace:packages/types":
+"@polkadot/types@2.6.2-4, @polkadot/types@workspace:packages/types":
   version: 0.0.0-use.local
   resolution: "@polkadot/types@workspace:packages/types"
   dependencies:
     "@babel/runtime": ^7.12.1
     "@polkadot/keyring": ^4.0.2-8
-    "@polkadot/metadata": 2.6.2-3
+    "@polkadot/metadata": 2.6.2-4
     "@polkadot/util": ^4.0.2-8
     "@polkadot/util-crypto": ^4.0.2-8
     "@types/bn.js": ^4.11.6