diff --git a/lerna.json b/lerna.json
index 615ab9371d..a9a53c4d8e 100644
--- a/lerna.json
+++ b/lerna.json
@@ -9,5 +9,5 @@
   "packages": [
     "packages/*"
   ],
-  "version": "1.5.0-beta.11"
+  "version": "1.5.0-beta.12"
 }
diff --git a/package.json b/package.json
index 1cbc6bb771..67a3657b03 100644
--- a/package.json
+++ b/package.json
@@ -1,5 +1,5 @@
 {
-  "version": "1.5.0-beta.11",
+  "version": "1.5.0-beta.12",
   "private": true,
   "engines": {
     "yarn": "^1.10.1"
diff --git a/packages/api-contract/package.json b/packages/api-contract/package.json
index 771483a17f..54aa451b96 100644
--- a/packages/api-contract/package.json
+++ b/packages/api-contract/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/api-contract",
-  "version": "1.5.0-beta.11",
+  "version": "1.5.0-beta.12",
   "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": "^7.8.4",
-    "@polkadot/api": "1.5.0-beta.11",
-    "@polkadot/rpc-core": "1.5.0-beta.11",
-    "@polkadot/types": "1.5.0-beta.11",
+    "@polkadot/api": "1.5.0-beta.12",
+    "@polkadot/rpc-core": "1.5.0-beta.12",
+    "@polkadot/types": "1.5.0-beta.12",
     "@polkadot/util": "^2.5.1",
     "bn.js": "^5.1.1",
     "rxjs": "^6.5.4"
diff --git a/packages/api-derive/package.json b/packages/api-derive/package.json
index b18a167623..0ec6dc1a65 100644
--- a/packages/api-derive/package.json
+++ b/packages/api-derive/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/api-derive",
-  "version": "1.5.0-beta.11",
+  "version": "1.5.0-beta.12",
   "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": "^7.8.4",
-    "@polkadot/api": "1.5.0-beta.11",
-    "@polkadot/rpc-core": "1.5.0-beta.11",
-    "@polkadot/rpc-provider": "1.5.0-beta.11",
-    "@polkadot/types": "1.5.0-beta.11",
+    "@polkadot/api": "1.5.0-beta.12",
+    "@polkadot/rpc-core": "1.5.0-beta.12",
+    "@polkadot/rpc-provider": "1.5.0-beta.12",
+    "@polkadot/types": "1.5.0-beta.12",
     "@polkadot/util": "^2.5.1",
     "@polkadot/util-crypto": "^2.5.1",
     "bn.js": "^5.1.1",
diff --git a/packages/api/package.json b/packages/api/package.json
index fa8d2a1402..60034753ec 100644
--- a/packages/api/package.json
+++ b/packages/api/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/api",
-  "version": "1.5.0-beta.11",
+  "version": "1.5.0-beta.12",
   "description": "Promise and RxJS wrappers around the Polkadot JS RPC",
   "main": "index.js",
   "keywords": [
@@ -27,12 +27,12 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/api#readme",
   "dependencies": {
     "@babel/runtime": "^7.8.4",
-    "@polkadot/api-derive": "1.5.0-beta.11",
+    "@polkadot/api-derive": "1.5.0-beta.12",
     "@polkadot/keyring": "^2.5.1",
-    "@polkadot/metadata": "1.5.0-beta.11",
-    "@polkadot/rpc-core": "1.5.0-beta.11",
-    "@polkadot/rpc-provider": "1.5.0-beta.11",
-    "@polkadot/types": "1.5.0-beta.11",
+    "@polkadot/metadata": "1.5.0-beta.12",
+    "@polkadot/rpc-core": "1.5.0-beta.12",
+    "@polkadot/rpc-provider": "1.5.0-beta.12",
+    "@polkadot/types": "1.5.0-beta.12",
     "@polkadot/util": "^2.5.1",
     "@polkadot/util-crypto": "^2.5.1",
     "bn.js": "^5.1.1",
diff --git a/packages/jsonrpc/package.json b/packages/jsonrpc/package.json
index 9180e59d67..deb6971083 100644
--- a/packages/jsonrpc/package.json
+++ b/packages/jsonrpc/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/jsonrpc",
-  "version": "1.5.0-beta.11",
+  "version": "1.5.0-beta.12",
   "description": "Method definitions for the Polkadot RPC layer",
   "main": "index.js",
   "publishConfig": {
@@ -27,7 +27,7 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/jsonrpc#readme",
   "dependencies": {
     "@babel/runtime": "^7.8.4",
-    "@polkadot/types": "1.5.0-beta.11",
+    "@polkadot/types": "1.5.0-beta.12",
     "@polkadot/util": "^2.5.1"
   }
 }
diff --git a/packages/metadata/package.json b/packages/metadata/package.json
index 5c90b0023f..91777b1591 100644
--- a/packages/metadata/package.json
+++ b/packages/metadata/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/metadata",
-  "version": "1.5.0-beta.11",
+  "version": "1.5.0-beta.12",
   "description": "Helpers to extract information from runtime metadata",
   "main": "index.js",
   "publishConfig": {
@@ -27,7 +27,7 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/type-metadata#readme",
   "dependencies": {
     "@babel/runtime": "^7.8.4",
-    "@polkadot/types": "1.5.0-beta.11",
+    "@polkadot/types": "1.5.0-beta.12",
     "@polkadot/util": "^2.5.1",
     "@polkadot/util-crypto": "^2.5.1",
     "bn.js": "^5.1.1"
diff --git a/packages/rpc-core/package.json b/packages/rpc-core/package.json
index 096e337820..46ffe67cbe 100644
--- a/packages/rpc-core/package.json
+++ b/packages/rpc-core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/rpc-core",
-  "version": "1.5.0-beta.11",
+  "version": "1.5.0-beta.12",
   "description": "A JavaScript wrapper for the Polkadot JsonRPC interface",
   "main": "index.js",
   "keywords": [
@@ -27,10 +27,10 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/rpc-core#readme",
   "dependencies": {
     "@babel/runtime": "^7.8.4",
-    "@polkadot/jsonrpc": "1.5.0-beta.11",
-    "@polkadot/metadata": "1.5.0-beta.11",
-    "@polkadot/rpc-provider": "1.5.0-beta.11",
-    "@polkadot/types": "1.5.0-beta.11",
+    "@polkadot/jsonrpc": "1.5.0-beta.12",
+    "@polkadot/metadata": "1.5.0-beta.12",
+    "@polkadot/rpc-provider": "1.5.0-beta.12",
+    "@polkadot/types": "1.5.0-beta.12",
     "@polkadot/util": "^2.5.1",
     "memoizee": "^0.4.14",
     "rxjs": "^6.5.4"
diff --git a/packages/rpc-provider/package.json b/packages/rpc-provider/package.json
index 701c17ab64..450fab7ad4 100644
--- a/packages/rpc-provider/package.json
+++ b/packages/rpc-provider/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/rpc-provider",
-  "version": "1.5.0-beta.11",
+  "version": "1.5.0-beta.12",
   "description": "Transport providers for the API",
   "main": "index.js",
   "keywords": [
@@ -27,9 +27,9 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/rpc-provider#readme",
   "dependencies": {
     "@babel/runtime": "^7.8.4",
-    "@polkadot/jsonrpc": "1.5.0-beta.11",
-    "@polkadot/metadata": "1.5.0-beta.11",
-    "@polkadot/types": "1.5.0-beta.11",
+    "@polkadot/jsonrpc": "1.5.0-beta.12",
+    "@polkadot/metadata": "1.5.0-beta.12",
+    "@polkadot/types": "1.5.0-beta.12",
     "@polkadot/util": "^2.5.1",
     "@polkadot/util-crypto": "^2.5.1",
     "bn.js": "^5.1.1",
diff --git a/packages/typegen/package.json b/packages/typegen/package.json
index 124453d97f..9b25916b06 100644
--- a/packages/typegen/package.json
+++ b/packages/typegen/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/typegen",
-  "version": "1.5.0-beta.11",
+  "version": "1.5.0-beta.12",
   "description": "Type generation scripts",
   "main": "index.js",
   "bin": {
@@ -36,11 +36,11 @@
     "@babel/core": "^7.8.3",
     "@babel/register": "^7.8.3",
     "@babel/runtime": "^7.8.4",
-    "@polkadot/api": "1.5.0-beta.11",
-    "@polkadot/jsonrpc": "1.5.0-beta.11",
-    "@polkadot/metadata": "1.5.0-beta.11",
-    "@polkadot/rpc-provider": "1.5.0-beta.11",
-    "@polkadot/types": "1.5.0-beta.11",
+    "@polkadot/api": "1.5.0-beta.12",
+    "@polkadot/jsonrpc": "1.5.0-beta.12",
+    "@polkadot/metadata": "1.5.0-beta.12",
+    "@polkadot/rpc-provider": "1.5.0-beta.12",
+    "@polkadot/types": "1.5.0-beta.12",
     "@polkadot/util": "^2.5.1",
     "websocket": "^1.0.31",
     "yargs": "^15.1.0"
diff --git a/packages/types/package.json b/packages/types/package.json
index d7e47a1236..403b7067f4 100644
--- a/packages/types/package.json
+++ b/packages/types/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/types",
-  "version": "1.5.0-beta.11",
+  "version": "1.5.0-beta.12",
   "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": "^7.8.4",
-    "@polkadot/metadata": "1.5.0-beta.11",
+    "@polkadot/metadata": "1.5.0-beta.12",
     "@polkadot/util": "^2.5.1",
     "@polkadot/util-crypto": "^2.5.1",
     "@types/bn.js": "^4.11.6",