diff --git a/packages/api-format/package.json b/packages/api-format/package.json
index 6bac677edb..3fd46a46c5 100644
--- a/packages/api-format/package.json
+++ b/packages/api-format/package.json
@@ -32,7 +32,7 @@
     "@babel/runtime": "^7.0.0-rc.1",
     "@polkadot/jsonrpc": "^0.28.21",
     "@polkadot/primitives": "^0.28.21",
-    "@polkadot/util": "^0.28.6",
-    "@polkadot/util-keyring": "^0.28.6"
+    "@polkadot/util": "^0.28.7",
+    "@polkadot/util-keyring": "^0.28.7"
   }
 }
diff --git a/packages/api-provider/package.json b/packages/api-provider/package.json
index 52e9858f4a..7fcdaf39eb 100644
--- a/packages/api-provider/package.json
+++ b/packages/api-provider/package.json
@@ -35,9 +35,9 @@
   "dependencies": {
     "@babel/runtime": "^7.0.0-rc.1",
     "@polkadot/storage": "^0.28.21",
-    "@polkadot/util": "^0.28.6",
-    "@polkadot/util-crypto": "^0.28.6",
-    "@polkadot/util-keyring": "^0.28.6",
+    "@polkadot/util": "^0.28.7",
+    "@polkadot/util-crypto": "^0.28.7",
+    "@polkadot/util-keyring": "^0.28.7",
     "@types/nock": "^9.1.3",
     "eventemitter3": "^3.1.0",
     "isomorphic-fetch": "^2.2.1",
diff --git a/packages/api/package.json b/packages/api/package.json
index 02cd6516df..2a9a72f213 100644
--- a/packages/api/package.json
+++ b/packages/api/package.json
@@ -34,6 +34,6 @@
     "@polkadot/api-provider": "^0.28.21",
     "@polkadot/jsonrpc": "^0.28.21",
     "@polkadot/params": "^0.28.21",
-    "@polkadot/util": "^0.28.6"
+    "@polkadot/util": "^0.28.7"
   }
 }
diff --git a/packages/type-extrinsics/package.json b/packages/type-extrinsics/package.json
index 75ff4acd43..cac44cb641 100644
--- a/packages/type-extrinsics/package.json
+++ b/packages/type-extrinsics/package.json
@@ -13,6 +13,6 @@
     "@babel/runtime": "^7.0.0-rc.1",
     "@polkadot/params": "^0.28.21",
     "@polkadot/primitives": "^0.28.21",
-    "@polkadot/util": "^0.28.6"
+    "@polkadot/util": "^0.28.7"
   }
 }
diff --git a/packages/type-params/package.json b/packages/type-params/package.json
index a8fd84223f..4d7c67ebdc 100644
--- a/packages/type-params/package.json
+++ b/packages/type-params/package.json
@@ -32,7 +32,7 @@
     "@polkadot/extrinsics": "^0.28.21",
     "@polkadot/params": "^0.28.21",
     "@polkadot/primitives": "^0.28.21",
-    "@polkadot/util": "^0.28.6",
-    "@polkadot/util-keyring": "^0.28.6"
+    "@polkadot/util": "^0.28.7",
+    "@polkadot/util-keyring": "^0.28.7"
   }
 }
diff --git a/packages/type-primitives/package.json b/packages/type-primitives/package.json
index 24f8eab3b5..eb948f2c3d 100644
--- a/packages/type-primitives/package.json
+++ b/packages/type-primitives/package.json
@@ -29,8 +29,8 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/type-primitives#readme",
   "dependencies": {
     "@babel/runtime": "^7.0.0-rc.1",
-    "@polkadot/trie-hash": "^0.28.6",
-    "@polkadot/util": "^0.28.6"
+    "@polkadot/trie-hash": "^0.28.7",
+    "@polkadot/util": "^0.28.7"
   },
   "devDependencies": {
     "bn.js": "^4.11.8"
diff --git a/packages/type-storage/package.json b/packages/type-storage/package.json
index 9e5a0729bd..31e9a88ee0 100644
--- a/packages/type-storage/package.json
+++ b/packages/type-storage/package.json
@@ -32,8 +32,8 @@
     "@babel/runtime": "^7.0.0-rc.1",
     "@polkadot/params": "^0.28.21",
     "@polkadot/primitives": "^0.28.21",
-    "@polkadot/util": "^0.28.6",
-    "@polkadot/util-crypto": "^0.28.6",
-    "@polkadot/util-keyring": "^0.28.6"
+    "@polkadot/util": "^0.28.7",
+    "@polkadot/util-crypto": "^0.28.7",
+    "@polkadot/util-keyring": "^0.28.7"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 839222665f..b929112c9f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1291,50 +1291,50 @@
     typedoc-plugin-markdown "^1.1.13"
     typescript "^3.0.1"
 
-"@polkadot/trie-hash@^0.28.6":
-  version "0.28.6"
-  resolved "https://registry.yarnpkg.com/@polkadot/trie-hash/-/trie-hash-0.28.6.tgz#453a9ba01ff8d6a0fc5269f9d6eed81e89c32f73"
+"@polkadot/trie-hash@^0.28.7":
+  version "0.28.7"
+  resolved "https://registry.yarnpkg.com/@polkadot/trie-hash/-/trie-hash-0.28.7.tgz#c1a91b0f2bf6e579c78d108a8e74cc1718464a5e"
   dependencies:
     "@babel/runtime" "^7.0.0-rc.1"
-    "@polkadot/util" "^0.28.6"
-    "@polkadot/util-crypto" "^0.28.6"
-    "@polkadot/util-rlp" "^0.28.6"
+    "@polkadot/util" "^0.28.7"
+    "@polkadot/util-crypto" "^0.28.7"
+    "@polkadot/util-rlp" "^0.28.7"
 
 "@polkadot/ts@^0.1.17":
   version "0.1.17"
   resolved "https://registry.yarnpkg.com/@polkadot/ts/-/ts-0.1.17.tgz#0d85085038ae7e6757e059d07c8e9c54596919b3"
 
-"@polkadot/util-crypto@^0.28.6":
-  version "0.28.6"
-  resolved "https://registry.yarnpkg.com/@polkadot/util-crypto/-/util-crypto-0.28.6.tgz#cc985c2d19617b31ab4dcaae674b883e1c7cfcb9"
+"@polkadot/util-crypto@^0.28.7":
+  version "0.28.7"
+  resolved "https://registry.yarnpkg.com/@polkadot/util-crypto/-/util-crypto-0.28.7.tgz#f75f51be7ba27b21ea4d76e5099f894c16111fc8"
   dependencies:
     "@babel/runtime" "^7.0.0-rc.1"
-    "@polkadot/util" "^0.28.6"
+    "@polkadot/util" "^0.28.7"
     blakejs "^1.1.0"
     js-sha3 "^0.8.0"
     tweetnacl "^1.0.0"
     xxhashjs "^0.2.2"
 
-"@polkadot/util-keyring@^0.28.6":
-  version "0.28.6"
-  resolved "https://registry.yarnpkg.com/@polkadot/util-keyring/-/util-keyring-0.28.6.tgz#58b3a837c53c9fa7d5b85d158ffbdce9e50d81c8"
+"@polkadot/util-keyring@^0.28.7":
+  version "0.28.7"
+  resolved "https://registry.yarnpkg.com/@polkadot/util-keyring/-/util-keyring-0.28.7.tgz#c82390c18e719e57b4f65295e43fff7d7384519f"
   dependencies:
     "@babel/runtime" "^7.0.0-rc.1"
-    "@polkadot/util" "^0.28.6"
-    "@polkadot/util-crypto" "^0.28.6"
+    "@polkadot/util" "^0.28.7"
+    "@polkadot/util-crypto" "^0.28.7"
     "@types/bs58" "^3.0.30"
     bs58 "^4.0.1"
 
-"@polkadot/util-rlp@^0.28.6":
-  version "0.28.6"
-  resolved "https://registry.yarnpkg.com/@polkadot/util-rlp/-/util-rlp-0.28.6.tgz#5c6304028d0c441bf36813ef98607cdf9db89f2d"
+"@polkadot/util-rlp@^0.28.7":
+  version "0.28.7"
+  resolved "https://registry.yarnpkg.com/@polkadot/util-rlp/-/util-rlp-0.28.7.tgz#58d6661be3e9b4a66570efe5255776859476ab80"
   dependencies:
     "@babel/runtime" "^7.0.0-rc.1"
-    "@polkadot/util" "^0.28.6"
+    "@polkadot/util" "^0.28.7"
 
-"@polkadot/util@^0.28.6":
-  version "0.28.6"
-  resolved "https://registry.yarnpkg.com/@polkadot/util/-/util-0.28.6.tgz#e4e7f4870dcfb487a312174576ee386e22dd0d6c"
+"@polkadot/util@^0.28.7":
+  version "0.28.7"
+  resolved "https://registry.yarnpkg.com/@polkadot/util/-/util-0.28.7.tgz#abcf4e1735690e6a15a5fe44e5697b2911acf626"
   dependencies:
     "@babel/runtime" "^7.0.0-rc.1"
     "@types/bn.js" "^4.11.1"