diff --git a/lerna.json b/lerna.json
index ec8c189431..f61fb267fd 100644
--- a/lerna.json
+++ b/lerna.json
@@ -9,5 +9,5 @@
   "packages": [
     "packages/*"
   ],
-  "version": "1.15.0-beta.4"
+  "version": "1.15.0-beta.5"
 }
diff --git a/packages/api-contract/package.json b/packages/api-contract/package.json
index fec4ca1b6b..75cd85c042 100644
--- a/packages/api-contract/package.json
+++ b/packages/api-contract/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/api-contract",
-  "version": "1.15.0-beta.4",
+  "version": "1.15.0-beta.5",
   "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": "^7.9.6",
-    "@polkadot/api": "1.15.0-beta.4",
-    "@polkadot/rpc-core": "1.15.0-beta.4",
-    "@polkadot/types": "1.15.0-beta.4",
+    "@polkadot/api": "1.15.0-beta.5",
+    "@polkadot/rpc-core": "1.15.0-beta.5",
+    "@polkadot/types": "1.15.0-beta.5",
     "@polkadot/util": "^2.10.1",
     "bn.js": "^5.1.1",
     "rxjs": "^6.5.5"
diff --git a/packages/api-derive/package.json b/packages/api-derive/package.json
index 6227040d26..51f7246c5d 100644
--- a/packages/api-derive/package.json
+++ b/packages/api-derive/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/api-derive",
-  "version": "1.15.0-beta.4",
+  "version": "1.15.0-beta.5",
   "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": "^7.9.6",
-    "@polkadot/api": "1.15.0-beta.4",
-    "@polkadot/rpc-core": "1.15.0-beta.4",
-    "@polkadot/rpc-provider": "1.15.0-beta.4",
-    "@polkadot/types": "1.15.0-beta.4",
+    "@polkadot/api": "1.15.0-beta.5",
+    "@polkadot/rpc-core": "1.15.0-beta.5",
+    "@polkadot/rpc-provider": "1.15.0-beta.5",
+    "@polkadot/types": "1.15.0-beta.5",
     "@polkadot/util": "^2.10.1",
     "@polkadot/util-crypto": "^2.10.1",
     "bn.js": "^5.1.1",
diff --git a/packages/api/package.json b/packages/api/package.json
index 06eee9f423..187efdf98b 100644
--- a/packages/api/package.json
+++ b/packages/api/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/api",
-  "version": "1.15.0-beta.4",
+  "version": "1.15.0-beta.5",
   "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": "^7.9.6",
-    "@polkadot/api-derive": "1.15.0-beta.4",
+    "@polkadot/api-derive": "1.15.0-beta.5",
     "@polkadot/keyring": "^2.10.1",
-    "@polkadot/metadata": "1.15.0-beta.4",
-    "@polkadot/rpc-core": "1.15.0-beta.4",
-    "@polkadot/rpc-provider": "1.15.0-beta.4",
-    "@polkadot/types": "1.15.0-beta.4",
-    "@polkadot/types-known": "1.15.0-beta.4",
+    "@polkadot/metadata": "1.15.0-beta.5",
+    "@polkadot/rpc-core": "1.15.0-beta.5",
+    "@polkadot/rpc-provider": "1.15.0-beta.5",
+    "@polkadot/types": "1.15.0-beta.5",
+    "@polkadot/types-known": "1.15.0-beta.5",
     "@polkadot/util": "^2.10.1",
     "@polkadot/util-crypto": "^2.10.1",
     "bn.js": "^5.1.1",
diff --git a/packages/metadata/package.json b/packages/metadata/package.json
index c97f569940..1a37f4bca5 100644
--- a/packages/metadata/package.json
+++ b/packages/metadata/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/metadata",
-  "version": "1.15.0-beta.4",
+  "version": "1.15.0-beta.5",
   "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": "^7.9.6",
-    "@polkadot/types": "1.15.0-beta.4",
-    "@polkadot/types-known": "1.15.0-beta.4",
+    "@polkadot/types": "1.15.0-beta.5",
+    "@polkadot/types-known": "1.15.0-beta.5",
     "@polkadot/util": "^2.10.1",
     "@polkadot/util-crypto": "^2.10.1",
     "bn.js": "^5.1.1"
diff --git a/packages/rpc-core/package.json b/packages/rpc-core/package.json
index f42217e4ca..7b3c886a97 100644
--- a/packages/rpc-core/package.json
+++ b/packages/rpc-core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/rpc-core",
-  "version": "1.15.0-beta.4",
+  "version": "1.15.0-beta.5",
   "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": "^7.9.6",
-    "@polkadot/metadata": "1.15.0-beta.4",
-    "@polkadot/rpc-provider": "1.15.0-beta.4",
-    "@polkadot/types": "1.15.0-beta.4",
+    "@polkadot/metadata": "1.15.0-beta.5",
+    "@polkadot/rpc-provider": "1.15.0-beta.5",
+    "@polkadot/types": "1.15.0-beta.5",
     "@polkadot/util": "^2.10.1",
     "memoizee": "^0.4.14",
     "rxjs": "^6.5.5"
diff --git a/packages/rpc-provider/package.json b/packages/rpc-provider/package.json
index fa81fa72d2..c75913ad0a 100644
--- a/packages/rpc-provider/package.json
+++ b/packages/rpc-provider/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/rpc-provider",
-  "version": "1.15.0-beta.4",
+  "version": "1.15.0-beta.5",
   "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": "^7.9.6",
-    "@polkadot/metadata": "1.15.0-beta.4",
-    "@polkadot/types": "1.15.0-beta.4",
+    "@polkadot/metadata": "1.15.0-beta.5",
+    "@polkadot/types": "1.15.0-beta.5",
     "@polkadot/util": "^2.10.1",
     "@polkadot/util-crypto": "^2.10.1",
     "bn.js": "^5.1.1",
diff --git a/packages/typegen/package.json b/packages/typegen/package.json
index 1191fad9dd..f820b8b630 100644
--- a/packages/typegen/package.json
+++ b/packages/typegen/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/typegen",
-  "version": "1.15.0-beta.4",
+  "version": "1.15.0-beta.5",
   "description": "Type generation scripts",
   "main": "index.js",
   "bin": {
@@ -36,10 +36,10 @@
     "@babel/core": "^7.9.6",
     "@babel/register": "^7.9.0",
     "@babel/runtime": "^7.9.6",
-    "@polkadot/api": "1.15.0-beta.4",
-    "@polkadot/metadata": "1.15.0-beta.4",
-    "@polkadot/rpc-provider": "1.15.0-beta.4",
-    "@polkadot/types": "1.15.0-beta.4",
+    "@polkadot/api": "1.15.0-beta.5",
+    "@polkadot/metadata": "1.15.0-beta.5",
+    "@polkadot/rpc-provider": "1.15.0-beta.5",
+    "@polkadot/types": "1.15.0-beta.5",
     "@polkadot/util": "^2.10.1",
     "handlebars": "^4.7.6",
     "websocket": "^1.0.31",
diff --git a/packages/types-known/package.json b/packages/types-known/package.json
index 93d7b7b79a..e6348a478f 100644
--- a/packages/types-known/package.json
+++ b/packages/types-known/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/types-known",
-  "version": "1.15.0-beta.4",
+  "version": "1.15.0-beta.5",
   "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": "^7.9.6",
-    "@polkadot/types": "1.15.0-beta.4",
+    "@polkadot/types": "1.15.0-beta.5",
     "@polkadot/util": "^2.10.1",
     "bn.js": "^5.1.1"
   },
diff --git a/packages/types/package.json b/packages/types/package.json
index 30a01d5f28..5c5373011a 100644
--- a/packages/types/package.json
+++ b/packages/types/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/types",
-  "version": "1.15.0-beta.4",
+  "version": "1.15.0-beta.5",
   "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": "^7.9.6",
-    "@polkadot/metadata": "1.15.0-beta.4",
+    "@polkadot/metadata": "1.15.0-beta.5",
     "@polkadot/util": "^2.10.1",
     "@polkadot/util-crypto": "^2.10.1",
     "@types/bn.js": "^4.11.6",
diff --git a/yarn.lock b/yarn.lock
index 48c5bd519d..8eab64cd95 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2631,25 +2631,25 @@ __metadata:
   resolution: "@polkadot/api-contract@workspace:packages/api-contract"
   dependencies:
     "@babel/runtime": ^7.9.6
-    "@polkadot/api": 1.15.0-beta.4
-    "@polkadot/rpc-core": 1.15.0-beta.4
-    "@polkadot/types": 1.15.0-beta.4
+    "@polkadot/api": 1.15.0-beta.5
+    "@polkadot/rpc-core": 1.15.0-beta.5
+    "@polkadot/types": 1.15.0-beta.5
     "@polkadot/util": ^2.10.1
     bn.js: ^5.1.1
     rxjs: ^6.5.5
   languageName: unknown
   linkType: soft
 
-"@polkadot/api-derive@1.15.0-beta.4, @polkadot/api-derive@workspace:packages/api-derive":
+"@polkadot/api-derive@1.15.0-beta.5, @polkadot/api-derive@workspace:packages/api-derive":
   version: 0.0.0-use.local
   resolution: "@polkadot/api-derive@workspace:packages/api-derive"
   dependencies:
     "@babel/runtime": ^7.9.6
-    "@polkadot/api": 1.15.0-beta.4
+    "@polkadot/api": 1.15.0-beta.5
     "@polkadot/keyring": ^2.10.1
-    "@polkadot/rpc-core": 1.15.0-beta.4
-    "@polkadot/rpc-provider": 1.15.0-beta.4
-    "@polkadot/types": 1.15.0-beta.4
+    "@polkadot/rpc-core": 1.15.0-beta.5
+    "@polkadot/rpc-provider": 1.15.0-beta.5
+    "@polkadot/types": 1.15.0-beta.5
     "@polkadot/util": ^2.10.1
     "@polkadot/util-crypto": ^2.10.1
     bn.js: ^5.1.1
@@ -2658,18 +2658,18 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@polkadot/api@1.15.0-beta.4, @polkadot/api@workspace:packages/api":
+"@polkadot/api@1.15.0-beta.5, @polkadot/api@workspace:packages/api":
   version: 0.0.0-use.local
   resolution: "@polkadot/api@workspace:packages/api"
   dependencies:
     "@babel/runtime": ^7.9.6
-    "@polkadot/api-derive": 1.15.0-beta.4
+    "@polkadot/api-derive": 1.15.0-beta.5
     "@polkadot/keyring": ^2.10.1
-    "@polkadot/metadata": 1.15.0-beta.4
-    "@polkadot/rpc-core": 1.15.0-beta.4
-    "@polkadot/rpc-provider": 1.15.0-beta.4
-    "@polkadot/types": 1.15.0-beta.4
-    "@polkadot/types-known": 1.15.0-beta.4
+    "@polkadot/metadata": 1.15.0-beta.5
+    "@polkadot/rpc-core": 1.15.0-beta.5
+    "@polkadot/rpc-provider": 1.15.0-beta.5
+    "@polkadot/types": 1.15.0-beta.5
+    "@polkadot/types-known": 1.15.0-beta.5
     "@polkadot/util": ^2.10.1
     "@polkadot/util-crypto": ^2.10.1
     bn.js: ^5.1.1
@@ -2776,43 +2776,43 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@polkadot/metadata@1.15.0-beta.4, @polkadot/metadata@workspace:packages/metadata":
+"@polkadot/metadata@1.15.0-beta.5, @polkadot/metadata@workspace:packages/metadata":
   version: 0.0.0-use.local
   resolution: "@polkadot/metadata@workspace:packages/metadata"
   dependencies:
     "@babel/runtime": ^7.9.6
     "@polkadot/keyring": ^2.10.1
-    "@polkadot/types": 1.15.0-beta.4
-    "@polkadot/types-known": 1.15.0-beta.4
+    "@polkadot/types": 1.15.0-beta.5
+    "@polkadot/types-known": 1.15.0-beta.5
     "@polkadot/util": ^2.10.1
     "@polkadot/util-crypto": ^2.10.1
     bn.js: ^5.1.1
   languageName: unknown
   linkType: soft
 
-"@polkadot/rpc-core@1.15.0-beta.4, @polkadot/rpc-core@workspace:packages/rpc-core":
+"@polkadot/rpc-core@1.15.0-beta.5, @polkadot/rpc-core@workspace:packages/rpc-core":
   version: 0.0.0-use.local
   resolution: "@polkadot/rpc-core@workspace:packages/rpc-core"
   dependencies:
     "@babel/runtime": ^7.9.6
     "@polkadot/keyring": ^2.10.1
-    "@polkadot/metadata": 1.15.0-beta.4
-    "@polkadot/rpc-provider": 1.15.0-beta.4
-    "@polkadot/types": 1.15.0-beta.4
+    "@polkadot/metadata": 1.15.0-beta.5
+    "@polkadot/rpc-provider": 1.15.0-beta.5
+    "@polkadot/types": 1.15.0-beta.5
     "@polkadot/util": ^2.10.1
     memoizee: ^0.4.14
     rxjs: ^6.5.5
   languageName: unknown
   linkType: soft
 
-"@polkadot/rpc-provider@1.15.0-beta.4, @polkadot/rpc-provider@workspace:packages/rpc-provider":
+"@polkadot/rpc-provider@1.15.0-beta.5, @polkadot/rpc-provider@workspace:packages/rpc-provider":
   version: 0.0.0-use.local
   resolution: "@polkadot/rpc-provider@workspace:packages/rpc-provider"
   dependencies:
     "@babel/runtime": ^7.9.6
     "@polkadot/keyring": ^2.10.1
-    "@polkadot/metadata": 1.15.0-beta.4
-    "@polkadot/types": 1.15.0-beta.4
+    "@polkadot/metadata": 1.15.0-beta.5
+    "@polkadot/types": 1.15.0-beta.5
     "@polkadot/util": ^2.10.1
     "@polkadot/util-crypto": ^2.10.1
     bn.js: ^5.1.1
@@ -2840,10 +2840,10 @@ __metadata:
     "@babel/core": ^7.9.6
     "@babel/register": ^7.9.0
     "@babel/runtime": ^7.9.6
-    "@polkadot/api": 1.15.0-beta.4
-    "@polkadot/metadata": 1.15.0-beta.4
-    "@polkadot/rpc-provider": 1.15.0-beta.4
-    "@polkadot/types": 1.15.0-beta.4
+    "@polkadot/api": 1.15.0-beta.5
+    "@polkadot/metadata": 1.15.0-beta.5
+    "@polkadot/rpc-provider": 1.15.0-beta.5
+    "@polkadot/types": 1.15.0-beta.5
     "@polkadot/util": ^2.10.1
     "@types/websocket": ^1.0.0
     "@types/yargs": ^15.0.5
@@ -2859,25 +2859,25 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@polkadot/types-known@1.15.0-beta.4, @polkadot/types-known@workspace:packages/types-known":
+"@polkadot/types-known@1.15.0-beta.5, @polkadot/types-known@workspace:packages/types-known":
   version: 0.0.0-use.local
   resolution: "@polkadot/types-known@workspace:packages/types-known"
   dependencies:
     "@babel/runtime": ^7.9.6
-    "@polkadot/types": 1.15.0-beta.4
+    "@polkadot/types": 1.15.0-beta.5
     "@polkadot/util": ^2.10.1
     "@types/bn.js": ^4.11.6
     bn.js: ^5.1.1
   languageName: unknown
   linkType: soft
 
-"@polkadot/types@1.15.0-beta.4, @polkadot/types@workspace:packages/types":
+"@polkadot/types@1.15.0-beta.5, @polkadot/types@workspace:packages/types":
   version: 0.0.0-use.local
   resolution: "@polkadot/types@workspace:packages/types"
   dependencies:
     "@babel/runtime": ^7.9.6
     "@polkadot/keyring": ^2.10.1
-    "@polkadot/metadata": 1.15.0-beta.4
+    "@polkadot/metadata": 1.15.0-beta.5
     "@polkadot/util": ^2.10.1
     "@polkadot/util-crypto": ^2.10.1
     "@types/bn.js": ^4.11.6