diff --git a/packages/ui-keyring/package.json b/packages/ui-keyring/package.json
index fd45480e..6f6a7844 100644
--- a/packages/ui-keyring/package.json
+++ b/packages/ui-keyring/package.json
@@ -12,7 +12,7 @@
   "dependencies": {
     "@babel/runtime": "^7.1.5",
     "@polkadot/keyring": "^0.33.9",
-    "@polkadot/types": "^0.33.3",
+    "@polkadot/types": "^0.33.4",
     "store": "^2.0.12"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index ce7ca567..6096059b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1446,10 +1446,10 @@
   resolved "https://registry.yarnpkg.com/@polkadot/ts/-/ts-0.1.41.tgz#647b44b038f94a7acf76633b25cb72df897872fc"
   integrity sha512-/vYpjqKU+QKHNAlFdLgFZAAr54wxQMgIuszZ5BxaayUoq7ukDlvCPhUGQ3fNoyBSEaL7uTCZ/5SVRc363IehoA==
 
-"@polkadot/types@^0.33.3":
-  version "0.33.3"
-  resolved "https://registry.yarnpkg.com/@polkadot/types/-/types-0.33.3.tgz#1faa53db98c2f4e9cda7a533c38f5a885fc20e1b"
-  integrity sha512-hUB2Q/j6W60ktKq9M8nyEi9FZ21SbDOlRft0ZlYzMnLY6yMBDodBQKCNSUPPtR6KcaTwzuz6fvaQv7Bvg+FybA==
+"@polkadot/types@^0.33.4":
+  version "0.33.4"
+  resolved "https://registry.yarnpkg.com/@polkadot/types/-/types-0.33.4.tgz#a17faba083611e0f0a3c1d4740f32b49ada3fe77"
+  integrity sha512-8MtJPLX7bCFRSDV9b92x+frA45G6lw5TsAsVatbRxLES9qvgUKL0X+h+ifvmcVQMLTdGJ8j8WGlMRL6IWhlLCw==
   dependencies:
     "@babel/runtime" "^7.1.5"
     "@polkadot/keyring" "^0.33.9"