diff --git a/lerna.json b/lerna.json
index 1b14ab96e4..f070a227f7 100644
--- a/lerna.json
+++ b/lerna.json
@@ -10,5 +10,5 @@
   "packages": [
     "packages/*"
   ],
-  "version": "0.12.11"
+  "version": "0.12.12"
 }
diff --git a/package.json b/package.json
index 7ff57b62d6..6486a8418b 100644
--- a/package.json
+++ b/package.json
@@ -1,5 +1,5 @@
 {
-  "version": "0.12.11",
+  "version": "0.12.12",
   "private": true,
   "workspaces": [
     "packages/*"
diff --git a/packages/api-format/package.json b/packages/api-format/package.json
index cb0b4f9828..22c46a7ce0 100644
--- a/packages/api-format/package.json
+++ b/packages/api-format/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/api-format",
-  "version": "0.12.11",
+  "version": "0.12.12",
   "description": "Input/Output formatters for JsonRPC exchange",
   "main": "index.js",
   "keywords": [
diff --git a/packages/api-provider/package.json b/packages/api-provider/package.json
index 7fdea3d86c..1598e66dbf 100644
--- a/packages/api-provider/package.json
+++ b/packages/api-provider/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/api-provider",
-  "version": "0.12.11",
+  "version": "0.12.12",
   "description": "Transport providers for the API",
   "main": "index.js",
   "keywords": [
diff --git a/packages/api-rx/package.json b/packages/api-rx/package.json
index a2ff7bdc68..485a22860b 100644
--- a/packages/api-rx/package.json
+++ b/packages/api-rx/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/api-rx",
-  "version": "0.12.11",
+  "version": "0.12.12",
   "description": "An RxJs wrapper around the Polkadot JS API",
   "main": "index.js",
   "keywords": [
@@ -31,8 +31,8 @@
   },
   "dependencies": {
     "@babel/runtime": "^7.0.0-beta.47",
-    "@polkadot/api": "^0.12.11",
-    "@polkadot/api-provider": "^0.12.11",
+    "@polkadot/api": "^0.12.12",
+    "@polkadot/api-provider": "^0.12.12",
     "rxjs": "^5.5.10"
   }
 }
diff --git a/packages/api/package.json b/packages/api/package.json
index 4be5e1a75f..3c6d19811e 100644
--- a/packages/api/package.json
+++ b/packages/api/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/api",
-  "version": "0.12.11",
+  "version": "0.12.12",
   "description": "A JavaScript wrapper for the Polkadot JsonRPC interface",
   "main": "index.js",
   "keywords": [
@@ -31,8 +31,8 @@
   },
   "dependencies": {
     "@babel/runtime": "^7.0.0-beta.47",
-    "@polkadot/api-format": "^0.12.11",
-    "@polkadot/api-provider": "^0.12.11",
+    "@polkadot/api-format": "^0.12.12",
+    "@polkadot/api-provider": "^0.12.12",
     "@polkadot/jsonrpc": "^0.16.12",
     "@polkadot/params": "^0.16.12",
     "@polkadot/util": "^0.22.2"