diff --git a/lerna.json b/lerna.json
index 773f736b40..a802a56e7b 100644
--- a/lerna.json
+++ b/lerna.json
@@ -9,5 +9,5 @@
   "packages": [
     "packages/*"
   ],
-  "version": "0.81.0-beta.5"
+  "version": "0.81.0-beta.6"
 }
diff --git a/package.json b/package.json
index d3dc4665be..8f79f105fc 100644
--- a/package.json
+++ b/package.json
@@ -1,5 +1,5 @@
 {
-  "version": "0.81.0-beta.5",
+  "version": "0.81.0-beta.6",
   "private": true,
   "engines": {
     "yarn": "^1.10.1"
diff --git a/packages/api-derive/package.json b/packages/api-derive/package.json
index 5914c81f31..26ceb28648 100644
--- a/packages/api-derive/package.json
+++ b/packages/api-derive/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/api-derive",
-  "version": "0.81.0-beta.5",
+  "version": "0.81.0-beta.6",
   "description": "Common functions used across Polkadot, derived from RPC calls and storage queries.",
   "main": "index.js",
   "keywords": [
@@ -28,9 +28,9 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/api-derive#readme",
   "dependencies": {
     "@babel/runtime": "^7.4.5",
-    "@polkadot/api": "^0.81.0-beta.5",
+    "@polkadot/api": "^0.81.0-beta.6",
     "@polkadot/keyring": "^0.93.0-beta.1",
-    "@polkadot/types": "^0.81.0-beta.5",
+    "@polkadot/types": "^0.81.0-beta.6",
     "@types/memoizee": "^0.4.2",
     "memoizee": "^0.4.14"
   }
diff --git a/packages/api/package.json b/packages/api/package.json
index 70abe5bc5f..c7505e45eb 100644
--- a/packages/api/package.json
+++ b/packages/api/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/api",
-  "version": "0.81.0-beta.5",
+  "version": "0.81.0-beta.6",
   "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": "^7.4.5",
-    "@polkadot/api-derive": "^0.81.0-beta.5",
-    "@polkadot/extrinsics": "^0.81.0-beta.5",
-    "@polkadot/rpc-provider": "^0.81.0-beta.5",
-    "@polkadot/rpc-rx": "^0.81.0-beta.5",
-    "@polkadot/storage": "^0.81.0-beta.5",
-    "@polkadot/types": "^0.81.0-beta.5",
+    "@polkadot/api-derive": "^0.81.0-beta.6",
+    "@polkadot/extrinsics": "^0.81.0-beta.6",
+    "@polkadot/rpc-provider": "^0.81.0-beta.6",
+    "@polkadot/rpc-rx": "^0.81.0-beta.6",
+    "@polkadot/storage": "^0.81.0-beta.6",
+    "@polkadot/types": "^0.81.0-beta.6",
     "@polkadot/util-crypto": "^0.93.0-beta.1"
   },
   "devDependencies": {
diff --git a/packages/rpc-core/package.json b/packages/rpc-core/package.json
index cf1dc21946..28c363f660 100644
--- a/packages/rpc-core/package.json
+++ b/packages/rpc-core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/rpc-core",
-  "version": "0.81.0-beta.5",
+  "version": "0.81.0-beta.6",
   "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": "^7.4.5",
-    "@polkadot/jsonrpc": "^0.81.0-beta.5",
-    "@polkadot/rpc-provider": "^0.81.0-beta.5",
-    "@polkadot/types": "^0.81.0-beta.5",
+    "@polkadot/jsonrpc": "^0.81.0-beta.6",
+    "@polkadot/rpc-provider": "^0.81.0-beta.6",
+    "@polkadot/types": "^0.81.0-beta.6",
     "@polkadot/util": "^0.93.0-beta.1"
   }
 }
diff --git a/packages/rpc-provider/package.json b/packages/rpc-provider/package.json
index e87d616977..464bc0e385 100644
--- a/packages/rpc-provider/package.json
+++ b/packages/rpc-provider/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/rpc-provider",
-  "version": "0.81.0-beta.5",
+  "version": "0.81.0-beta.6",
   "description": "Transport providers for the API",
   "main": "index.js",
   "keywords": [
@@ -27,7 +27,7 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/rpc-provider#readme",
   "dependencies": {
     "@babel/runtime": "^7.4.5",
-    "@polkadot/storage": "^0.81.0-beta.5",
+    "@polkadot/storage": "^0.81.0-beta.6",
     "@polkadot/util": "^0.93.0-beta.1",
     "@polkadot/util-crypto": "^0.93.0-beta.1",
     "@types/nock": "^10.0.3",
diff --git a/packages/rpc-rx/package.json b/packages/rpc-rx/package.json
index d8f03efbc4..185b4c77eb 100644
--- a/packages/rpc-rx/package.json
+++ b/packages/rpc-rx/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/rpc-rx",
-  "version": "0.81.0-beta.5",
+  "version": "0.81.0-beta.6",
   "description": "An RxJs wrapper around the Polkadot JS API",
   "main": "index.js",
   "keywords": [
@@ -27,8 +27,8 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/rpc-rx#readme",
   "dependencies": {
     "@babel/runtime": "^7.4.5",
-    "@polkadot/rpc-core": "^0.81.0-beta.5",
-    "@polkadot/rpc-provider": "^0.81.0-beta.5",
+    "@polkadot/rpc-core": "^0.81.0-beta.6",
+    "@polkadot/rpc-provider": "^0.81.0-beta.6",
     "@types/memoizee": "^0.4.2",
     "@types/rx": "^4.1.1",
     "memoizee": "^0.4.14",
diff --git a/packages/type-extrinsics/package.json b/packages/type-extrinsics/package.json
index 263319c15d..4bf0156198 100644
--- a/packages/type-extrinsics/package.json
+++ b/packages/type-extrinsics/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/extrinsics",
-  "version": "0.81.0-beta.5",
+  "version": "0.81.0-beta.6",
   "main": "index.js",
   "repository": "https://github.com/polkadot-js/api.git",
   "author": "Jaco Greeff <jacogr@gmail.com>",
@@ -11,7 +11,7 @@
   "license": "Apache-2.0",
   "dependencies": {
     "@babel/runtime": "^7.4.5",
-    "@polkadot/types": "^0.81.0-beta.5",
+    "@polkadot/types": "^0.81.0-beta.6",
     "@polkadot/util": "^0.93.0-beta.1"
   }
 }
diff --git a/packages/type-jsonrpc/package.json b/packages/type-jsonrpc/package.json
index b22e10aacc..021b5b9202 100644
--- a/packages/type-jsonrpc/package.json
+++ b/packages/type-jsonrpc/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/jsonrpc",
-  "version": "0.81.0-beta.5",
+  "version": "0.81.0-beta.6",
   "description": "Method definitions for the Polkadot RPC layer",
   "main": "index.js",
   "publishConfig": {
diff --git a/packages/type-storage/package.json b/packages/type-storage/package.json
index b2f36a73e5..79215ae5fe 100644
--- a/packages/type-storage/package.json
+++ b/packages/type-storage/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/storage",
-  "version": "0.81.0-beta.5",
+  "version": "0.81.0-beta.6",
   "description": "Generic wrapper wrapper around state storage",
   "main": "index.js",
   "publishConfig": {
@@ -27,7 +27,7 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/type-storage#readme",
   "dependencies": {
     "@babel/runtime": "^7.4.5",
-    "@polkadot/types": "^0.81.0-beta.5",
+    "@polkadot/types": "^0.81.0-beta.6",
     "@polkadot/util": "^0.93.0-beta.1",
     "@polkadot/util-crypto": "^0.93.0-beta.1"
   },
diff --git a/packages/types/package.json b/packages/types/package.json
index 863e2a684e..487ce99a9f 100644
--- a/packages/types/package.json
+++ b/packages/types/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/types",
-  "version": "0.81.0-beta.5",
+  "version": "0.81.0-beta.6",
   "description": "Implementation of the Parity codec",
   "main": "index.js",
   "keywords": [