diff --git a/package.json b/package.json
index a93c8a337..bf1449d90 100644
--- a/package.json
+++ b/package.json
@@ -11,6 +11,6 @@
     "test": "jest --coverage"
   },
   "devDependencies": {
-    "@polkadot/dev": "^0.19.3"
+    "@polkadot/dev": "^0.19.4"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 62b328b63..7f7027ea9 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -658,9 +658,9 @@
   dependencies:
     babel-runtime "^6.26.0"
 
-"@polkadot/dev@^0.19.3":
-  version "0.19.3"
-  resolved "https://registry.yarnpkg.com/@polkadot/dev/-/dev-0.19.3.tgz#d5e8c9afc65f0d0ca97b88ac49dec610912ccdee"
+"@polkadot/dev@^0.19.4":
+  version "0.19.4"
+  resolved "https://registry.yarnpkg.com/@polkadot/dev/-/dev-0.19.4.tgz#054a83700ef8a1ada4e0ffbe3171b6959e3a17f5"
   dependencies:
     "@babel/cli" "^7.0.0-beta.47"
     "@babel/core" "^7.0.0-beta.47"