diff --git a/lerna.json b/lerna.json
index e65fd6081ff3..c2fdbb7eb2b0 100644
--- a/lerna.json
+++ b/lerna.json
@@ -9,5 +9,5 @@
   "packages": [
     "packages/*"
   ],
-  "version": "1.30.0"
+  "version": "1.30.1"
 }
diff --git a/package.json b/package.json
index 5ebf95e6f814..c9fef6893129 100644
--- a/package.json
+++ b/package.json
@@ -34,5 +34,5 @@
     "@vuepress/plugin-search": "^1.5.4",
     "copyfiles": "^2.3.0"
   },
-  "version": "1.30.0"
+  "version": "1.30.1"
 }
diff --git a/packages/api-contract/package.json b/packages/api-contract/package.json
index 17f8ee3ea57a..bc26dca3cca8 100644
--- a/packages/api-contract/package.json
+++ b/packages/api-contract/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/api-contract",
-  "version": "1.30.0",
+  "version": "1.30.1",
   "description": "Interfaces for interacting with contracts and contract ABIs",
   "main": "index.js",
   "keywords": [
@@ -27,9 +27,9 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/api-contract#readme",
   "dependencies": {
     "@babel/runtime": "^7.11.2",
-    "@polkadot/api": "1.30.0",
-    "@polkadot/rpc-core": "1.30.0",
-    "@polkadot/types": "1.30.0",
+    "@polkadot/api": "1.30.1",
+    "@polkadot/rpc-core": "1.30.1",
+    "@polkadot/types": "1.30.1",
     "@polkadot/util": "^3.3.1",
     "bn.js": "^5.1.3",
     "rxjs": "^6.6.2"
diff --git a/packages/api-derive/package.json b/packages/api-derive/package.json
index 15a506a53e60..98b591beff4e 100644
--- a/packages/api-derive/package.json
+++ b/packages/api-derive/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/api-derive",
-  "version": "1.30.0",
+  "version": "1.30.1",
   "description": "Common functions used across Polkadot, derived from RPC calls and storage queries.",
   "main": "index.js",
   "keywords": [
@@ -28,10 +28,10 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/api-derive#readme",
   "dependencies": {
     "@babel/runtime": "^7.11.2",
-    "@polkadot/api": "1.30.0",
-    "@polkadot/rpc-core": "1.30.0",
-    "@polkadot/rpc-provider": "1.30.0",
-    "@polkadot/types": "1.30.0",
+    "@polkadot/api": "1.30.1",
+    "@polkadot/rpc-core": "1.30.1",
+    "@polkadot/rpc-provider": "1.30.1",
+    "@polkadot/types": "1.30.1",
     "@polkadot/util": "^3.3.1",
     "@polkadot/util-crypto": "^3.3.1",
     "bn.js": "^5.1.3",
diff --git a/packages/api/package.json b/packages/api/package.json
index e94c10cc75c2..1393b19679d1 100644
--- a/packages/api/package.json
+++ b/packages/api/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/api",
-  "version": "1.30.0",
+  "version": "1.30.1",
   "description": "Promise and RxJS wrappers around the Polkadot JS RPC",
   "main": "index.js",
   "keywords": [
@@ -27,13 +27,13 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/api#readme",
   "dependencies": {
     "@babel/runtime": "^7.11.2",
-    "@polkadot/api-derive": "1.30.0",
+    "@polkadot/api-derive": "1.30.1",
     "@polkadot/keyring": "^3.3.1",
-    "@polkadot/metadata": "1.30.0",
-    "@polkadot/rpc-core": "1.30.0",
-    "@polkadot/rpc-provider": "1.30.0",
-    "@polkadot/types": "1.30.0",
-    "@polkadot/types-known": "1.30.0",
+    "@polkadot/metadata": "1.30.1",
+    "@polkadot/rpc-core": "1.30.1",
+    "@polkadot/rpc-provider": "1.30.1",
+    "@polkadot/types": "1.30.1",
+    "@polkadot/types-known": "1.30.1",
     "@polkadot/util": "^3.3.1",
     "@polkadot/util-crypto": "^3.3.1",
     "bn.js": "^5.1.3",
diff --git a/packages/metadata/package.json b/packages/metadata/package.json
index 8492ae4425fa..a5c3309a43d8 100644
--- a/packages/metadata/package.json
+++ b/packages/metadata/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/metadata",
-  "version": "1.30.0",
+  "version": "1.30.1",
   "description": "Helpers to extract information from runtime metadata",
   "main": "index.js",
   "publishConfig": {
@@ -27,8 +27,8 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/type-metadata#readme",
   "dependencies": {
     "@babel/runtime": "^7.11.2",
-    "@polkadot/types": "1.30.0",
-    "@polkadot/types-known": "1.30.0",
+    "@polkadot/types": "1.30.1",
+    "@polkadot/types-known": "1.30.1",
     "@polkadot/util": "^3.3.1",
     "@polkadot/util-crypto": "^3.3.1",
     "bn.js": "^5.1.3"
diff --git a/packages/rpc-core/package.json b/packages/rpc-core/package.json
index 1d478b396122..40c41333c582 100644
--- a/packages/rpc-core/package.json
+++ b/packages/rpc-core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/rpc-core",
-  "version": "1.30.0",
+  "version": "1.30.1",
   "description": "A JavaScript wrapper for the Polkadot JsonRPC interface",
   "main": "index.js",
   "keywords": [
@@ -27,9 +27,9 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/rpc-core#readme",
   "dependencies": {
     "@babel/runtime": "^7.11.2",
-    "@polkadot/metadata": "1.30.0",
-    "@polkadot/rpc-provider": "1.30.0",
-    "@polkadot/types": "1.30.0",
+    "@polkadot/metadata": "1.30.1",
+    "@polkadot/rpc-provider": "1.30.1",
+    "@polkadot/types": "1.30.1",
     "@polkadot/util": "^3.3.1",
     "memoizee": "^0.4.14",
     "rxjs": "^6.6.2"
diff --git a/packages/rpc-provider/package.json b/packages/rpc-provider/package.json
index 08968afd4789..c22dc684de63 100644
--- a/packages/rpc-provider/package.json
+++ b/packages/rpc-provider/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/rpc-provider",
-  "version": "1.30.0",
+  "version": "1.30.1",
   "description": "Transport providers for the API",
   "main": "index.js",
   "keywords": [
@@ -27,8 +27,8 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/rpc-provider#readme",
   "dependencies": {
     "@babel/runtime": "^7.11.2",
-    "@polkadot/metadata": "1.30.0",
-    "@polkadot/types": "1.30.0",
+    "@polkadot/metadata": "1.30.1",
+    "@polkadot/types": "1.30.1",
     "@polkadot/util": "^3.3.1",
     "@polkadot/util-crypto": "^3.3.1",
     "bn.js": "^5.1.3",
diff --git a/packages/typegen/package.json b/packages/typegen/package.json
index 34ae47628e8a..904d81bdcb8d 100644
--- a/packages/typegen/package.json
+++ b/packages/typegen/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/typegen",
-  "version": "1.30.0",
+  "version": "1.30.1",
   "description": "Type generation scripts",
   "main": "index.js",
   "bin": {
@@ -36,10 +36,10 @@
     "@babel/core": "^7.11.4",
     "@babel/register": "^7.10.5",
     "@babel/runtime": "^7.11.2",
-    "@polkadot/api": "1.30.0",
-    "@polkadot/metadata": "1.30.0",
-    "@polkadot/rpc-provider": "1.30.0",
-    "@polkadot/types": "1.30.0",
+    "@polkadot/api": "1.30.1",
+    "@polkadot/metadata": "1.30.1",
+    "@polkadot/rpc-provider": "1.30.1",
+    "@polkadot/types": "1.30.1",
     "@polkadot/util": "^3.3.1",
     "handlebars": "^4.7.6",
     "websocket": "^1.0.31",
diff --git a/packages/types-known/package.json b/packages/types-known/package.json
index f2127df4c2c6..81a481467fd9 100644
--- a/packages/types-known/package.json
+++ b/packages/types-known/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/types-known",
-  "version": "1.30.0",
+  "version": "1.30.1",
   "description": "A JavaScript wrapper for the Polkadot JsonRPC interface",
   "main": "index.js",
   "keywords": [
@@ -27,7 +27,7 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/types-known#readme",
   "dependencies": {
     "@babel/runtime": "^7.11.2",
-    "@polkadot/types": "1.30.0",
+    "@polkadot/types": "1.30.1",
     "@polkadot/util": "^3.3.1",
     "bn.js": "^5.1.3"
   },
diff --git a/packages/types/package.json b/packages/types/package.json
index 92aaec459343..d9357e8c283b 100644
--- a/packages/types/package.json
+++ b/packages/types/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/types",
-  "version": "1.30.0",
+  "version": "1.30.1",
   "description": "Implementation of the Parity codec",
   "main": "index.js",
   "keywords": [
@@ -27,7 +27,7 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/types#readme",
   "dependencies": {
     "@babel/runtime": "^7.11.2",
-    "@polkadot/metadata": "1.30.0",
+    "@polkadot/metadata": "1.30.1",
     "@polkadot/util": "^3.3.1",
     "@polkadot/util-crypto": "^3.3.1",
     "@types/bn.js": "^4.11.6",
diff --git a/yarn.lock b/yarn.lock
index 13dad5a2f279..fe981134a4c1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2734,25 +2734,25 @@ __metadata:
   resolution: "@polkadot/api-contract@workspace:packages/api-contract"
   dependencies:
     "@babel/runtime": ^7.11.2
-    "@polkadot/api": 1.30.0
-    "@polkadot/rpc-core": 1.30.0
-    "@polkadot/types": 1.30.0
+    "@polkadot/api": 1.30.1
+    "@polkadot/rpc-core": 1.30.1
+    "@polkadot/types": 1.30.1
     "@polkadot/util": ^3.3.1
     bn.js: ^5.1.3
     rxjs: ^6.6.2
   languageName: unknown
   linkType: soft
 
-"@polkadot/api-derive@1.30.0, @polkadot/api-derive@workspace:packages/api-derive":
+"@polkadot/api-derive@1.30.1, @polkadot/api-derive@workspace:packages/api-derive":
   version: 0.0.0-use.local
   resolution: "@polkadot/api-derive@workspace:packages/api-derive"
   dependencies:
     "@babel/runtime": ^7.11.2
-    "@polkadot/api": 1.30.0
+    "@polkadot/api": 1.30.1
     "@polkadot/keyring": ^3.3.1
-    "@polkadot/rpc-core": 1.30.0
-    "@polkadot/rpc-provider": 1.30.0
-    "@polkadot/types": 1.30.0
+    "@polkadot/rpc-core": 1.30.1
+    "@polkadot/rpc-provider": 1.30.1
+    "@polkadot/types": 1.30.1
     "@polkadot/util": ^3.3.1
     "@polkadot/util-crypto": ^3.3.1
     bn.js: ^5.1.3
@@ -2761,18 +2761,18 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@polkadot/api@1.30.0, @polkadot/api@workspace:packages/api":
+"@polkadot/api@1.30.1, @polkadot/api@workspace:packages/api":
   version: 0.0.0-use.local
   resolution: "@polkadot/api@workspace:packages/api"
   dependencies:
     "@babel/runtime": ^7.11.2
-    "@polkadot/api-derive": 1.30.0
+    "@polkadot/api-derive": 1.30.1
     "@polkadot/keyring": ^3.3.1
-    "@polkadot/metadata": 1.30.0
-    "@polkadot/rpc-core": 1.30.0
-    "@polkadot/rpc-provider": 1.30.0
-    "@polkadot/types": 1.30.0
-    "@polkadot/types-known": 1.30.0
+    "@polkadot/metadata": 1.30.1
+    "@polkadot/rpc-core": 1.30.1
+    "@polkadot/rpc-provider": 1.30.1
+    "@polkadot/types": 1.30.1
+    "@polkadot/types-known": 1.30.1
     "@polkadot/util": ^3.3.1
     "@polkadot/util-crypto": ^3.3.1
     bn.js: ^5.1.3
@@ -2885,43 +2885,43 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@polkadot/metadata@1.30.0, @polkadot/metadata@workspace:packages/metadata":
+"@polkadot/metadata@1.30.1, @polkadot/metadata@workspace:packages/metadata":
   version: 0.0.0-use.local
   resolution: "@polkadot/metadata@workspace:packages/metadata"
   dependencies:
     "@babel/runtime": ^7.11.2
     "@polkadot/keyring": ^3.3.1
-    "@polkadot/types": 1.30.0
-    "@polkadot/types-known": 1.30.0
+    "@polkadot/types": 1.30.1
+    "@polkadot/types-known": 1.30.1
     "@polkadot/util": ^3.3.1
     "@polkadot/util-crypto": ^3.3.1
     bn.js: ^5.1.3
   languageName: unknown
   linkType: soft
 
-"@polkadot/rpc-core@1.30.0, @polkadot/rpc-core@workspace:packages/rpc-core":
+"@polkadot/rpc-core@1.30.1, @polkadot/rpc-core@workspace:packages/rpc-core":
   version: 0.0.0-use.local
   resolution: "@polkadot/rpc-core@workspace:packages/rpc-core"
   dependencies:
     "@babel/runtime": ^7.11.2
     "@polkadot/keyring": ^3.3.1
-    "@polkadot/metadata": 1.30.0
-    "@polkadot/rpc-provider": 1.30.0
-    "@polkadot/types": 1.30.0
+    "@polkadot/metadata": 1.30.1
+    "@polkadot/rpc-provider": 1.30.1
+    "@polkadot/types": 1.30.1
     "@polkadot/util": ^3.3.1
     memoizee: ^0.4.14
     rxjs: ^6.6.2
   languageName: unknown
   linkType: soft
 
-"@polkadot/rpc-provider@1.30.0, @polkadot/rpc-provider@workspace:packages/rpc-provider":
+"@polkadot/rpc-provider@1.30.1, @polkadot/rpc-provider@workspace:packages/rpc-provider":
   version: 0.0.0-use.local
   resolution: "@polkadot/rpc-provider@workspace:packages/rpc-provider"
   dependencies:
     "@babel/runtime": ^7.11.2
     "@polkadot/keyring": ^3.3.1
-    "@polkadot/metadata": 1.30.0
-    "@polkadot/types": 1.30.0
+    "@polkadot/metadata": 1.30.1
+    "@polkadot/types": 1.30.1
     "@polkadot/util": ^3.3.1
     "@polkadot/util-crypto": ^3.3.1
     bn.js: ^5.1.3
@@ -2949,10 +2949,10 @@ __metadata:
     "@babel/core": ^7.11.4
     "@babel/register": ^7.10.5
     "@babel/runtime": ^7.11.2
-    "@polkadot/api": 1.30.0
-    "@polkadot/metadata": 1.30.0
-    "@polkadot/rpc-provider": 1.30.0
-    "@polkadot/types": 1.30.0
+    "@polkadot/api": 1.30.1
+    "@polkadot/metadata": 1.30.1
+    "@polkadot/rpc-provider": 1.30.1
+    "@polkadot/types": 1.30.1
     "@polkadot/util": ^3.3.1
     "@types/websocket": ^1.0.1
     "@types/yargs": ^15.0.5
@@ -2968,25 +2968,25 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@polkadot/types-known@1.30.0, @polkadot/types-known@workspace:packages/types-known":
+"@polkadot/types-known@1.30.1, @polkadot/types-known@workspace:packages/types-known":
   version: 0.0.0-use.local
   resolution: "@polkadot/types-known@workspace:packages/types-known"
   dependencies:
     "@babel/runtime": ^7.11.2
-    "@polkadot/types": 1.30.0
+    "@polkadot/types": 1.30.1
     "@polkadot/util": ^3.3.1
     "@types/bn.js": ^4.11.6
     bn.js: ^5.1.3
   languageName: unknown
   linkType: soft
 
-"@polkadot/types@1.30.0, @polkadot/types@workspace:packages/types":
+"@polkadot/types@1.30.1, @polkadot/types@workspace:packages/types":
   version: 0.0.0-use.local
   resolution: "@polkadot/types@workspace:packages/types"
   dependencies:
     "@babel/runtime": ^7.11.2
     "@polkadot/keyring": ^3.3.1
-    "@polkadot/metadata": 1.30.0
+    "@polkadot/metadata": 1.30.1
     "@polkadot/util": ^3.3.1
     "@polkadot/util-crypto": ^3.3.1
     "@types/bn.js": ^4.11.6