diff --git a/lerna.json b/lerna.json
index 173a5f080..80f1a1aa3 100644
--- a/lerna.json
+++ b/lerna.json
@@ -9,5 +9,5 @@
   "packages": [
     "packages/*"
   ],
-  "version": "1.6.1"
+  "version": "1.7.0-beta.0"
 }
diff --git a/package.json b/package.json
index dc801cc64..9a5e53aa1 100644
--- a/package.json
+++ b/package.json
@@ -1,5 +1,5 @@
 {
-  "version": "1.6.1",
+  "version": "1.7.0-beta.0",
   "private": true,
   "engines": {
     "yarn": "^1.10.1"
diff --git a/packages/chainspec/package.json b/packages/chainspec/package.json
index d72137c7e..a64d9a1fc 100644
--- a/packages/chainspec/package.json
+++ b/packages/chainspec/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/chainspec",
-  "version": "1.6.1",
+  "version": "1.7.0-beta.0",
   "description": "Contains chain specifications for known chains",
   "main": "index.js",
   "keywords": [
@@ -26,6 +26,6 @@
   "homepage": "https://github.com/polkadot-js/common/tree/master/packages/chainspec#readme",
   "dependencies": {
     "@babel/runtime": "^7.6.3",
-    "@polkadot/util": "^1.6.1"
+    "@polkadot/util": "^1.7.0-beta.0"
   }
 }
diff --git a/packages/db/package.json b/packages/db/package.json
index c4b27e509..608cba584 100644
--- a/packages/db/package.json
+++ b/packages/db/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/db",
-  "version": "1.6.1",
+  "version": "1.7.0-beta.0",
   "description": "Implementation of a basic sync in-memory and on-disk databases with overlays",
   "main": "index.js",
   "keywords": [
@@ -26,8 +26,8 @@
   "homepage": "https://github.com/polkadot-js/common/tree/master/packages/db#readme",
   "dependencies": {
     "@babel/runtime": "^7.6.3",
-    "@polkadot/trie-hash": "^1.6.1",
-    "@polkadot/util": "^1.6.1",
+    "@polkadot/trie-hash": "^1.7.0-beta.0",
+    "@polkadot/util": "^1.7.0-beta.0",
     "lru_map": "^0.3.3"
   }
 }
diff --git a/packages/keyring/package.json b/packages/keyring/package.json
index 0cb34520e..f86904113 100644
--- a/packages/keyring/package.json
+++ b/packages/keyring/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/keyring",
-  "version": "1.6.1",
+  "version": "1.7.0-beta.0",
   "description": "Keyring management",
   "main": "index.js",
   "publishConfig": {
@@ -28,7 +28,7 @@
   "homepage": "https://github.com/polkadot-js/common/tree/master/packages/keyring#readme",
   "dependencies": {
     "@babel/runtime": "^7.6.3",
-    "@polkadot/util": "^1.6.1",
-    "@polkadot/util-crypto": "^1.6.1"
+    "@polkadot/util": "^1.7.0-beta.0",
+    "@polkadot/util-crypto": "^1.7.0-beta.0"
   }
 }
diff --git a/packages/trie-codec/package.json b/packages/trie-codec/package.json
index 0ccb20155..2706ad6d3 100644
--- a/packages/trie-codec/package.json
+++ b/packages/trie-codec/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/trie-codec",
-  "version": "1.6.1",
+  "version": "1.7.0-beta.0",
   "description": "This is an implementation of the codec for Substrate Trie",
   "main": "index.js",
   "keywords": [
@@ -26,6 +26,6 @@
   "homepage": "https://github.com/polkadot-js/common/tree/master/packages/trie-codec#readme",
   "dependencies": {
     "@babel/runtime": "^7.6.3",
-    "@polkadot/util": "^1.6.1"
+    "@polkadot/util": "^1.7.0-beta.0"
   }
 }
diff --git a/packages/trie-db/package.json b/packages/trie-db/package.json
index 6218c90d5..33aaffa9f 100644
--- a/packages/trie-db/package.json
+++ b/packages/trie-db/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/trie-db",
-  "version": "1.6.1",
+  "version": "1.7.0-beta.0",
   "description": "This is an implementation of the modified merkle patricia tree as specified in Ethereum's yellow paper, adapted for Polkadot",
   "main": "index.js",
   "keywords": [
@@ -26,15 +26,15 @@
   "homepage": "https://github.com/polkadot-js/common/tree/master/packages/trie-db#readme",
   "dependencies": {
     "@babel/runtime": "^7.6.3",
-    "@polkadot/db": "^1.6.1",
-    "@polkadot/trie-codec": "^1.6.1",
-    "@polkadot/trie-hash": "^1.6.1",
-    "@polkadot/util": "^1.6.1",
-    "@polkadot/util-crypto": "^1.6.1"
+    "@polkadot/db": "^1.7.0-beta.0",
+    "@polkadot/trie-codec": "^1.7.0-beta.0",
+    "@polkadot/trie-hash": "^1.7.0-beta.0",
+    "@polkadot/util": "^1.7.0-beta.0",
+    "@polkadot/util-crypto": "^1.7.0-beta.0"
   },
   "devDependencies": {
-    "@polkadot/chainspec": "^1.6.1",
-    "@polkadot/util-rlp": "^1.6.1",
+    "@polkadot/chainspec": "^1.7.0-beta.0",
+    "@polkadot/util-rlp": "^1.7.0-beta.0",
     "ethereumjs-testing": "1.0.4"
   }
 }
diff --git a/packages/trie-hash/package.json b/packages/trie-hash/package.json
index bf9c902ae..f68e33400 100644
--- a/packages/trie-hash/package.json
+++ b/packages/trie-hash/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/trie-hash",
-  "version": "1.6.1",
+  "version": "1.7.0-beta.0",
   "description": "Generates trie roots from key-value pairs",
   "main": "index.js",
   "keywords": [
@@ -26,9 +26,9 @@
   "homepage": "https://github.com/polkadot-js/common/tree/master/packages/trie-hash#readme",
   "dependencies": {
     "@babel/runtime": "^7.6.3",
-    "@polkadot/util": "^1.6.1"
+    "@polkadot/util": "^1.7.0-beta.0"
   },
   "devDependencies": {
-    "@polkadot/chainspec": "^1.6.1"
+    "@polkadot/chainspec": "^1.7.0-beta.0"
   }
 }
diff --git a/packages/util-crypto/package.json b/packages/util-crypto/package.json
index a68fa7c8b..48ed88df5 100644
--- a/packages/util-crypto/package.json
+++ b/packages/util-crypto/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/util-crypto",
-  "version": "1.6.1",
+  "version": "1.7.0-beta.0",
   "description": "A collection of useful crypto utilities for @polkadot",
   "main": "index.js",
   "keywords": [
@@ -26,7 +26,7 @@
   "homepage": "https://github.com/polkadot-js/common/tree/master/packages/util-crypto#readme",
   "dependencies": {
     "@babel/runtime": "^7.6.3",
-    "@polkadot/util": "^1.6.1",
+    "@polkadot/util": "^1.7.0-beta.0",
     "@polkadot/wasm-crypto": "^0.14.1",
     "@types/bip39": "^2.4.2",
     "@types/bs58": "^4.0.0",
diff --git a/packages/util-rlp/package.json b/packages/util-rlp/package.json
index 2649a66a4..f4bd230c2 100644
--- a/packages/util-rlp/package.json
+++ b/packages/util-rlp/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/util-rlp",
-  "version": "1.6.1",
+  "version": "1.7.0-beta.0",
   "description": "RLP encoding and decoding",
   "main": "index.js",
   "keywords": [
@@ -28,7 +28,7 @@
   "homepage": "https://github.com/polkadot-js/common/tree/master/packages/util-rlp#readme",
   "dependencies": {
     "@babel/runtime": "^7.6.3",
-    "@polkadot/util": "^1.6.1"
+    "@polkadot/util": "^1.7.0-beta.0"
   },
   "devDependencies": {
     "ethereumjs-testing": "1.0.4"
diff --git a/packages/util/package.json b/packages/util/package.json
index 47ed970ed..e320a4789 100644
--- a/packages/util/package.json
+++ b/packages/util/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/util",
-  "version": "1.6.1",
+  "version": "1.7.0-beta.0",
   "description": "A collection of useful utilities for @polkadot",
   "main": "index.js",
   "keywords": [