diff --git a/lerna.json b/lerna.json
index b5ac06bd49..b53b4d06d4 100644
--- a/lerna.json
+++ b/lerna.json
@@ -10,5 +10,5 @@
   "packages": [
     "packages/*"
   ],
-  "version": "0.5.3"
+  "version": "0.5.4"
 }
diff --git a/package.json b/package.json
index 3af63475db..874d18ecbe 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/api-wrapper",
-  "version": "0.5.3",
+  "version": "0.5.4",
   "description": "Non-published, see packages/",
   "keywords": [],
   "author": "Jaco Greeff <jacogr@gmail.com>",
diff --git a/packages/api-format/package.json b/packages/api-format/package.json
index 25b7742503..6e61becc8e 100644
--- a/packages/api-format/package.json
+++ b/packages/api-format/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/api-format",
-  "version": "0.5.3",
+  "version": "0.5.4",
   "description": "Input/Output formatters for JsonRPC exchange",
   "main": "index.js",
   "keywords": [
@@ -30,7 +30,7 @@
     "test": "echo \"Tests only available from root wrapper\""
   },
   "devDependencies": {
-    "@polkadot/api-jsonrpc": "^0.5.3",
+    "@polkadot/api-jsonrpc": "^0.5.4",
     "@polkadot/dev": "^0.9.1"
   },
   "dependencies": {
diff --git a/packages/api-jsonrpc/package.json b/packages/api-jsonrpc/package.json
index 694e3e5d08..13da2fc4bb 100644
--- a/packages/api-jsonrpc/package.json
+++ b/packages/api-jsonrpc/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/api-jsonrpc",
-  "version": "0.5.3",
+  "version": "0.5.4",
   "description": "Method definitions for the Polkadot RPC layer",
   "main": "index.js",
   "engines": {
diff --git a/packages/api-provider/package.json b/packages/api-provider/package.json
index ad3210cb5f..343fe6f80d 100644
--- a/packages/api-provider/package.json
+++ b/packages/api-provider/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/api-provider",
-  "version": "0.5.3",
+  "version": "0.5.4",
   "description": "Transport providers for the API",
   "main": "index.js",
   "keywords": [
diff --git a/packages/api/package.json b/packages/api/package.json
index 4b76d7a94c..d3567c8351 100644
--- a/packages/api/package.json
+++ b/packages/api/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/api",
-  "version": "0.5.3",
+  "version": "0.5.4",
   "description": "A JavaScript wrapper for the Polkadot JsonRPC interface",
   "main": "index.js",
   "keywords": [
@@ -33,9 +33,9 @@
     "@polkadot/dev": "^0.9.1"
   },
   "dependencies": {
-    "@polkadot/api-format": "^0.5.3",
-    "@polkadot/api-jsonrpc": "^0.5.3",
-    "@polkadot/api-provider": "^0.5.3",
+    "@polkadot/api-format": "^0.5.4",
+    "@polkadot/api-jsonrpc": "^0.5.4",
+    "@polkadot/api-provider": "^0.5.4",
     "@polkadot/util": "^0.5.15",
     "babel-runtime": "^6.26.0"
   }
diff --git a/yarn.lock b/yarn.lock
index 90ba51424c..196041a1f2 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -89,9 +89,9 @@
     stylelint "^8.2.0"
     stylelint-config-standard "^18.0.0"
 
-"@polkadot/dev@^0.9.7":
-  version "0.9.7"
-  resolved "https://registry.yarnpkg.com/@polkadot/dev/-/dev-0.9.7.tgz#414c0581d76f146b3fe7dba6527c6723e76869d7"
+"@polkadot/dev@^0.9.8":
+  version "0.9.8"
+  resolved "https://registry.yarnpkg.com/@polkadot/dev/-/dev-0.9.8.tgz#677e1901c9dada05e9323feb0dc3b2f425527b2f"
   dependencies:
     babel-cli "^6.26.0"
     babel-core "^6.26.0"