diff --git a/lerna.json b/lerna.json
index d7d16fd51c..7cb9a0d78b 100644
--- a/lerna.json
+++ b/lerna.json
@@ -9,5 +9,5 @@
   "packages": [
     "packages/*"
   ],
-  "version": "1.1.1"
+  "version": "1.2.0-beta.0"
 }
diff --git a/package.json b/package.json
index dc12c7c9ff..64f8d3091d 100644
--- a/package.json
+++ b/package.json
@@ -1,5 +1,5 @@
 {
-  "version": "1.1.1",
+  "version": "1.2.0-beta.0",
   "private": true,
   "engines": {
     "yarn": "^1.10.1"
diff --git a/packages/api-contract/package.json b/packages/api-contract/package.json
index 5363cf8cc0..07c59e319d 100644
--- a/packages/api-contract/package.json
+++ b/packages/api-contract/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/api-contract",
-  "version": "1.1.1",
+  "version": "1.2.0-beta.0",
   "description": "Interfaces for interacting with contracts and contract ABIs",
   "main": "index.js",
   "keywords": [
@@ -27,6 +27,6 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/api-contract#readme",
   "dependencies": {
     "@babel/runtime": "^7.8.3",
-    "@polkadot/types": "^1.1.1"
+    "@polkadot/types": "^1.2.0-beta.0"
   }
 }
diff --git a/packages/api-derive/package.json b/packages/api-derive/package.json
index 088935d8af..1c40fc026a 100644
--- a/packages/api-derive/package.json
+++ b/packages/api-derive/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/api-derive",
-  "version": "1.1.1",
+  "version": "1.2.0-beta.0",
   "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": "^7.8.3",
-    "@polkadot/api": "^1.1.1",
-    "@polkadot/types": "^1.1.1"
+    "@polkadot/api": "^1.2.0-beta.0",
+    "@polkadot/types": "^1.2.0-beta.0"
   },
   "devDependencies": {
     "@polkadot/keyring": "^2.2.1"
diff --git a/packages/api/package.json b/packages/api/package.json
index cc0d6f98dc..b73aa15c92 100644
--- a/packages/api/package.json
+++ b/packages/api/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/api",
-  "version": "1.1.1",
+  "version": "1.2.0-beta.0",
   "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": "^7.8.3",
-    "@polkadot/api-derive": "^1.1.1",
+    "@polkadot/api-derive": "^1.2.0-beta.0",
     "@polkadot/keyring": "^2.2.1",
-    "@polkadot/metadata": "^1.1.1",
-    "@polkadot/rpc-core": "^1.1.1",
-    "@polkadot/rpc-provider": "^1.1.1",
-    "@polkadot/types": "^1.1.1",
+    "@polkadot/metadata": "^1.2.0-beta.0",
+    "@polkadot/rpc-core": "^1.2.0-beta.0",
+    "@polkadot/rpc-provider": "^1.2.0-beta.0",
+    "@polkadot/types": "^1.2.0-beta.0",
     "@polkadot/util-crypto": "^2.2.1"
   },
   "devDependencies": {
diff --git a/packages/metadata/package.json b/packages/metadata/package.json
index 0e8b87aae1..2e7699ad84 100644
--- a/packages/metadata/package.json
+++ b/packages/metadata/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/metadata",
-  "version": "1.1.1",
+  "version": "1.2.0-beta.0",
   "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": "^7.8.3",
-    "@polkadot/types": "^1.1.1",
+    "@polkadot/types": "^1.2.0-beta.0",
     "@polkadot/util": "^2.2.1",
     "@polkadot/util-crypto": "^2.2.1"
   },
diff --git a/packages/rpc-core/package.json b/packages/rpc-core/package.json
index a18d8b2729..28686b5a7c 100644
--- a/packages/rpc-core/package.json
+++ b/packages/rpc-core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/rpc-core",
-  "version": "1.1.1",
+  "version": "1.2.0-beta.0",
   "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": "^7.8.3",
-    "@polkadot/jsonrpc": "^1.1.1",
-    "@polkadot/rpc-provider": "^1.1.1",
-    "@polkadot/types": "^1.1.1",
+    "@polkadot/jsonrpc": "^1.2.0-beta.0",
+    "@polkadot/rpc-provider": "^1.2.0-beta.0",
+    "@polkadot/types": "^1.2.0-beta.0",
     "@polkadot/util": "^2.2.1",
     "rxjs": "^6.5.4"
   }
diff --git a/packages/rpc-provider/package.json b/packages/rpc-provider/package.json
index 5fe56baaab..68b9f1b316 100644
--- a/packages/rpc-provider/package.json
+++ b/packages/rpc-provider/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/rpc-provider",
-  "version": "1.1.1",
+  "version": "1.2.0-beta.0",
   "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": "^7.8.3",
-    "@polkadot/metadata": "^1.1.1",
+    "@polkadot/metadata": "^1.2.0-beta.0",
     "@polkadot/util": "^2.2.1",
     "@polkadot/util-crypto": "^2.2.1",
     "eventemitter3": "^4.0.0",
diff --git a/packages/type-jsonrpc/package.json b/packages/type-jsonrpc/package.json
index 1652a6c593..bffd89241e 100644
--- a/packages/type-jsonrpc/package.json
+++ b/packages/type-jsonrpc/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/jsonrpc",
-  "version": "1.1.1",
+  "version": "1.2.0-beta.0",
   "description": "Method definitions for the Polkadot RPC layer",
   "main": "index.js",
   "publishConfig": {
diff --git a/packages/types/package.json b/packages/types/package.json
index 2b7f379a51..43d09c992b 100644
--- a/packages/types/package.json
+++ b/packages/types/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/types",
-  "version": "1.1.1",
+  "version": "1.2.0-beta.0",
   "description": "Implementation of the Parity codec",
   "main": "index.js",
   "bin": {
@@ -31,7 +31,7 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/types#readme",
   "dependencies": {
     "@babel/runtime": "^7.8.3",
-    "@polkadot/metadata": "^1.1.1",
+    "@polkadot/metadata": "^1.2.0-beta.0",
     "@polkadot/util": "^2.2.1",
     "@polkadot/util-crypto": "^2.2.1",
     "memoizee": "^0.4.14",