diff --git a/package.json b/package.json
index 7015e33f99..9d783d432e 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "@babel/register": "^7.0.0",
     "@babel/runtime": "^7.3.4",
     "@polkadot/dev": "^0.25.12",
-    "@polkadot/ts": "^0.1.55",
+    "@polkadot/ts": "^0.1.56",
     "gh-pages": "^2.0.1"
   }
 }
diff --git a/packages/api/package.json b/packages/api/package.json
index e2771daaf8..4dbf265faf 100644
--- a/packages/api/package.json
+++ b/packages/api/package.json
@@ -36,6 +36,6 @@
     "@polkadot/rpc-rx": "^0.46.4",
     "@polkadot/storage": "^0.46.4",
     "@polkadot/types": "^0.46.4",
-    "@polkadot/util-crypto": "^0.35.1"
+    "@polkadot/util-crypto": "^0.35.4"
   }
 }
diff --git a/packages/rpc-core/package.json b/packages/rpc-core/package.json
index 8a679234c5..e254d985ec 100644
--- a/packages/rpc-core/package.json
+++ b/packages/rpc-core/package.json
@@ -33,6 +33,6 @@
     "@polkadot/jsonrpc": "^0.46.4",
     "@polkadot/rpc-provider": "^0.46.4",
     "@polkadot/types": "^0.46.4",
-    "@polkadot/util": "^0.35.1"
+    "@polkadot/util": "^0.35.4"
   }
 }
diff --git a/packages/rpc-provider/package.json b/packages/rpc-provider/package.json
index aafc3db620..3cd25d1eeb 100644
--- a/packages/rpc-provider/package.json
+++ b/packages/rpc-provider/package.json
@@ -30,10 +30,10 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/rpc-provider#readme",
   "dependencies": {
     "@babel/runtime": "^7.3.4",
-    "@polkadot/keyring": "^0.35.1",
+    "@polkadot/keyring": "^0.35.4",
     "@polkadot/storage": "^0.46.4",
-    "@polkadot/util": "^0.35.1",
-    "@polkadot/util-crypto": "^0.35.1",
+    "@polkadot/util": "^0.35.4",
+    "@polkadot/util-crypto": "^0.35.4",
     "@types/nock": "^9.3.1",
     "eventemitter3": "^3.1.0",
     "isomorphic-fetch": "^2.2.1",
diff --git a/packages/type-extrinsics/package.json b/packages/type-extrinsics/package.json
index cb706240de..513d4cd71e 100644
--- a/packages/type-extrinsics/package.json
+++ b/packages/type-extrinsics/package.json
@@ -12,6 +12,6 @@
   "dependencies": {
     "@babel/runtime": "^7.3.4",
     "@polkadot/types": "^0.46.4",
-    "@polkadot/util": "^0.35.1"
+    "@polkadot/util": "^0.35.4"
   }
 }
diff --git a/packages/type-storage/package.json b/packages/type-storage/package.json
index 6dae09bcbf..6fe12394fc 100644
--- a/packages/type-storage/package.json
+++ b/packages/type-storage/package.json
@@ -30,9 +30,9 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/type-storage#readme",
   "dependencies": {
     "@babel/runtime": "^7.3.4",
-    "@polkadot/keyring": "^0.35.1",
+    "@polkadot/keyring": "^0.35.4",
     "@polkadot/types": "^0.46.4",
-    "@polkadot/util": "^0.35.1",
-    "@polkadot/util-crypto": "^0.35.1"
+    "@polkadot/util": "^0.35.4",
+    "@polkadot/util-crypto": "^0.35.4"
   }
 }
diff --git a/packages/types/package.json b/packages/types/package.json
index 9a73fe9ed1..73c5d1399e 100644
--- a/packages/types/package.json
+++ b/packages/types/package.json
@@ -30,8 +30,8 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/types#readme",
   "dependencies": {
     "@babel/runtime": "^7.3.4",
-    "@polkadot/keyring": "^0.35.1",
-    "@polkadot/util": "^0.35.1",
+    "@polkadot/keyring": "^0.35.4",
+    "@polkadot/util": "^0.35.4",
     "core-js": "^2.6.5"
   }
 }
diff --git a/packages/types/src/codec/Enum.ts b/packages/types/src/codec/Enum.ts
index 083bb30e95..d6823c3b6c 100644
--- a/packages/types/src/codec/Enum.ts
+++ b/packages/types/src/codec/Enum.ts
@@ -65,6 +65,13 @@ export default class Enum extends Base<number> implements Codec {
     return 1;
   }
 
+  /**
+   * @description Returns the index for this value (equivalent to toNumber)
+   */
+  get index (): number {
+    return this.raw;
+  }
+
   /**
    * @description Checks if the value is an empty value (always false)
    */
diff --git a/packages/types/src/codec/EnumType.ts b/packages/types/src/codec/EnumType.ts
index 72caab3cc2..4e6b350e87 100644
--- a/packages/types/src/codec/EnumType.ts
+++ b/packages/types/src/codec/EnumType.ts
@@ -133,7 +133,7 @@ export default class EnumType<T> extends Base<Codec> implements Codec {
    * @description Checks if the Enum points to a [[Null]] type
    */
   get isNone (): boolean {
-    return this.raw instanceof Null;
+    return this.isNull;
   }
 
   /**
diff --git a/yarn.lock b/yarn.lock
index f61b655968..bf84d7e509 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1429,14 +1429,14 @@
     typescript "^3.3.3333"
     vuepress "^1.0.0-alpha.40"
 
-"@polkadot/keyring@^0.35.1":
-  version "0.35.1"
-  resolved "https://registry.yarnpkg.com/@polkadot/keyring/-/keyring-0.35.1.tgz#04a61da22eccee11d704911a719d9b29130bf1ea"
-  integrity sha512-jbKI7W/YO8YRo7Op7BaLypzERHwvNbkoWGLVHApS3TB2Jiog2lbMYAcZc7LdSJ/iJmq9qq32YwdW/X9enshmmw==
+"@polkadot/keyring@^0.35.4":
+  version "0.35.4"
+  resolved "https://registry.yarnpkg.com/@polkadot/keyring/-/keyring-0.35.4.tgz#c7a6eca79a53c0468fa2a32b4647e5866460f9de"
+  integrity sha512-muqVxGXigwW+ahQKBCDc0vdeOatP82vbcu4p7tz/LIzgfKmHX85JBWi63lcNTWljabJSRf9mqlf3jaU7L4OXlw==
   dependencies:
     "@babel/runtime" "^7.3.4"
-    "@polkadot/util" "^0.35.1"
-    "@polkadot/util-crypto" "^0.35.1"
+    "@polkadot/util" "^0.35.4"
+    "@polkadot/util-crypto" "^0.35.4"
     "@types/bs58" "^4.0.0"
     bs58 "^4.0.1"
 
@@ -1445,19 +1445,19 @@
   resolved "https://registry.yarnpkg.com/@polkadot/schnorrkel-js/-/schnorrkel-js-0.1.2-3.tgz#9117ac5126b465a1cf53c2b6bb68a17efc7e0390"
   integrity sha512-1LgF4wtER3q5uqY67CdOsQQ/SBqT6v0ZKQIS3cOTVByF16WtApD6U324uCJyMdie+GZFv0xr/40I4Ni2It+8jw==
 
-"@polkadot/ts@^0.1.55":
-  version "0.1.55"
-  resolved "https://registry.yarnpkg.com/@polkadot/ts/-/ts-0.1.55.tgz#6bd5840035e8bde0e53932b136253e90398313b7"
-  integrity sha512-OWB9GTS3BUVY1VU5JtDnN02RytchS+nN5WJg/aLhGR1BMU4DNqef7rgDonhJEaEbZzlQ/j+S+colK/0MYzQ9Bw==
+"@polkadot/ts@^0.1.56":
+  version "0.1.56"
+  resolved "https://registry.yarnpkg.com/@polkadot/ts/-/ts-0.1.56.tgz#ffd6e9c95704a7fb90b918193b9dc5c440114b27"
+  integrity sha512-wnt4zXxZXyz6WaubTO/I+nUElwV2DogFzdl6CrKfVn2PTWp8uHN06W9s40FH57ORtmQfDr9rLRP8Nq+oIyElbg==
 
-"@polkadot/util-crypto@^0.35.1":
-  version "0.35.1"
-  resolved "https://registry.yarnpkg.com/@polkadot/util-crypto/-/util-crypto-0.35.1.tgz#ffab577638f3f2e5344920664687fad31ab7e4a5"
-  integrity sha512-sicQrYAbaRPkcVAmGinE619e+CO5zwHgBLzLap9bWiKl5TDIjhnr1464yUFvDHcfVmyetsTBDEvqMVkUBhjL7w==
+"@polkadot/util-crypto@^0.35.4":
+  version "0.35.4"
+  resolved "https://registry.yarnpkg.com/@polkadot/util-crypto/-/util-crypto-0.35.4.tgz#f63d9a0fb1527b506e391ec77e51edcbfb5597f5"
+  integrity sha512-CsdP2u+OEzk7zIuptHY6OEJpCvamgb2p+n80qO3g+VCF9144ArB/UzOE1Zw0ixNHOs6Dj6M2qYUMZf8hUrIvAg==
   dependencies:
     "@babel/runtime" "^7.3.4"
     "@polkadot/schnorrkel-js" "^0.1.2-3"
-    "@polkadot/util" "^0.35.1"
+    "@polkadot/util" "^0.35.4"
     "@types/bip39" "^2.4.2"
     "@types/pbkdf2" "^3.0.0"
     "@types/secp256k1" "^3.5.0"
@@ -1470,10 +1470,10 @@
     tweetnacl "^1.0.1"
     xxhashjs "^0.2.2"
 
-"@polkadot/util@^0.35.1":
-  version "0.35.1"
-  resolved "https://registry.yarnpkg.com/@polkadot/util/-/util-0.35.1.tgz#77df48a38c67d7eee62f797673b74cdf8c145879"
-  integrity sha512-F5SFQNvEOEV3DInXUpjfwP22N2+W5yaFuo6gTB+7JyrqIU46V/ilqFgc8FG/I1EHDMnYuvdelNmij1XJli2YEQ==
+"@polkadot/util@^0.35.4":
+  version "0.35.4"
+  resolved "https://registry.yarnpkg.com/@polkadot/util/-/util-0.35.4.tgz#1e84ca76c08768b8ac7d73c84308c1d7d1077295"
+  integrity sha512-JhhfqDBcxHud3dlBt6xqDvnCS52mz7RN1QJOZMiOTrf12vyq3GN6NrEUcTOgiTGy3mUyB2t+5zx24VX8HrTeKA==
   dependencies:
     "@babel/runtime" "^7.3.4"
     "@types/bn.js" "^4.11.4"