diff --git a/lerna.json b/lerna.json
index 77b8d30509..ae78ecc863 100644
--- a/lerna.json
+++ b/lerna.json
@@ -9,5 +9,5 @@
   "packages": [
     "packages/*"
   ],
-  "version": "0.81.0-beta.18"
+  "version": "0.81.0-beta.19"
 }
diff --git a/package.json b/package.json
index d154a28051..963d74ec0d 100644
--- a/package.json
+++ b/package.json
@@ -1,5 +1,5 @@
 {
-  "version": "0.81.0-beta.18",
+  "version": "0.81.0-beta.19",
   "private": true,
   "engines": {
     "yarn": "^1.10.1"
diff --git a/packages/api-derive/package.json b/packages/api-derive/package.json
index faed857b07..1bb00933f4 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.18",
+  "version": "0.81.0-beta.19",
   "description": "Common functions used across Polkadot, derived from RPC calls and storage queries.",
   "main": "index.js",
   "keywords": [
@@ -28,8 +28,8 @@
   "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.18",
-    "@polkadot/types": "^0.81.0-beta.18",
+    "@polkadot/api": "^0.81.0-beta.19",
+    "@polkadot/types": "^0.81.0-beta.19",
     "@types/memoizee": "^0.4.2",
     "memoizee": "^0.4.14"
   },
diff --git a/packages/api/package.json b/packages/api/package.json
index cf6383edc4..7476143cc1 100644
--- a/packages/api/package.json
+++ b/packages/api/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/api",
-  "version": "0.81.0-beta.18",
+  "version": "0.81.0-beta.19",
   "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.18",
-    "@polkadot/extrinsics": "^0.81.0-beta.18",
-    "@polkadot/rpc-provider": "^0.81.0-beta.18",
-    "@polkadot/rpc-rx": "^0.81.0-beta.18",
-    "@polkadot/storage": "^0.81.0-beta.18",
-    "@polkadot/types": "^0.81.0-beta.18",
+    "@polkadot/api-derive": "^0.81.0-beta.19",
+    "@polkadot/extrinsics": "^0.81.0-beta.19",
+    "@polkadot/rpc-provider": "^0.81.0-beta.19",
+    "@polkadot/rpc-rx": "^0.81.0-beta.19",
+    "@polkadot/storage": "^0.81.0-beta.19",
+    "@polkadot/types": "^0.81.0-beta.19",
     "@polkadot/util-crypto": "^0.93.0-beta.5"
   },
   "devDependencies": {
diff --git a/packages/rpc-core/package.json b/packages/rpc-core/package.json
index 72555adb2e..16a6ab71e2 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.18",
+  "version": "0.81.0-beta.19",
   "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.18",
-    "@polkadot/rpc-provider": "^0.81.0-beta.18",
-    "@polkadot/types": "^0.81.0-beta.18",
+    "@polkadot/jsonrpc": "^0.81.0-beta.19",
+    "@polkadot/rpc-provider": "^0.81.0-beta.19",
+    "@polkadot/types": "^0.81.0-beta.19",
     "@polkadot/util": "^0.93.0-beta.5"
   }
 }
diff --git a/packages/rpc-provider/package.json b/packages/rpc-provider/package.json
index d5519d0856..a1a2ebe09a 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.18",
+  "version": "0.81.0-beta.19",
   "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.18",
+    "@polkadot/storage": "^0.81.0-beta.19",
     "@polkadot/util": "^0.93.0-beta.5",
     "@polkadot/util-crypto": "^0.93.0-beta.5",
     "@types/nock": "^10.0.3",
diff --git a/packages/rpc-rx/package.json b/packages/rpc-rx/package.json
index 91d0bdcfd7..e8b17ea10c 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.18",
+  "version": "0.81.0-beta.19",
   "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.18",
-    "@polkadot/rpc-provider": "^0.81.0-beta.18",
+    "@polkadot/rpc-core": "^0.81.0-beta.19",
+    "@polkadot/rpc-provider": "^0.81.0-beta.19",
     "@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 0d07647030..49e92773ab 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.18",
+  "version": "0.81.0-beta.19",
   "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.18",
+    "@polkadot/types": "^0.81.0-beta.19",
     "@polkadot/util": "^0.93.0-beta.5"
   }
 }
diff --git a/packages/type-jsonrpc/package.json b/packages/type-jsonrpc/package.json
index 949bbd9dea..c3eddfeacb 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.18",
+  "version": "0.81.0-beta.19",
   "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 35543a2ada..80dabcb3d6 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.18",
+  "version": "0.81.0-beta.19",
   "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.18",
+    "@polkadot/types": "^0.81.0-beta.19",
     "@polkadot/util": "^0.93.0-beta.5",
     "@polkadot/util-crypto": "^0.93.0-beta.5"
   },
diff --git a/packages/types/package.json b/packages/types/package.json
index d0ca903bc0..d339ee7cb7 100644
--- a/packages/types/package.json
+++ b/packages/types/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/types",
-  "version": "0.81.0-beta.18",
+  "version": "0.81.0-beta.19",
   "description": "Implementation of the Parity codec",
   "main": "index.js",
   "keywords": [