diff --git a/package.json b/package.json
index 71ad0209d9..58c0a63cf9 100644
--- a/package.json
+++ b/package.json
@@ -28,8 +28,8 @@
     "@babel/core": "^7.14.3",
     "@babel/register": "^7.13.16",
     "@babel/runtime": "^7.14.0",
-    "@polkadot/dev": "^0.62.29",
-    "@polkadot/ts": "^0.3.77",
+    "@polkadot/dev": "^0.62.31",
+    "@polkadot/ts": "^0.3.79",
     "@polkadot/typegen": "workspace:packages/typegen",
     "@types/jest": "^26.0.23",
     "copyfiles": "^2.4.1"
diff --git a/packages/api-contract/package.json b/packages/api-contract/package.json
index 063a9d7511..62210616c4 100644
--- a/packages/api-contract/package.json
+++ b/packages/api-contract/package.json
@@ -22,8 +22,8 @@
     "@babel/runtime": "^7.14.0",
     "@polkadot/api": "4.12.2-13",
     "@polkadot/types": "4.12.2-13",
-    "@polkadot/util": "^6.6.1",
-    "@polkadot/x-rxjs": "^6.6.1",
+    "@polkadot/util": "^6.6.2-11",
+    "@polkadot/x-rxjs": "^6.6.2-11",
     "bn.js": "^4.11.9"
   }
 }
diff --git a/packages/api-derive/package.json b/packages/api-derive/package.json
index c10d0a4a5e..979219bf2d 100644
--- a/packages/api-derive/package.json
+++ b/packages/api-derive/package.json
@@ -23,13 +23,13 @@
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     "@polkadot/rpc-core": "4.12.2-13",
     "@polkadot/types": "4.12.2-13",
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-    "@polkadot/util-crypto": "^6.6.1",
-    "@polkadot/x-rxjs": "^6.6.1",
+    "@polkadot/util": "^6.6.2-11",
+    "@polkadot/util-crypto": "^6.6.2-11",
+    "@polkadot/x-rxjs": "^6.6.2-11",
     "bn.js": "^4.11.9"
   },
   "devDependencies": {
-    "@polkadot/keyring": "^6.6.1",
+    "@polkadot/keyring": "^6.6.2-11",
     "@polkadot/rpc-provider": "4.12.2-13"
   }
 }
diff --git a/packages/api/package.json b/packages/api/package.json
index 81df008237..b2de94f462 100644
--- a/packages/api/package.json
+++ b/packages/api/package.json
@@ -21,15 +21,15 @@
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     "@babel/runtime": "^7.14.0",
     "@polkadot/api-derive": "4.12.2-13",
-    "@polkadot/keyring": "^6.6.1",
+    "@polkadot/keyring": "^6.6.2-11",
     "@polkadot/metadata": "4.12.2-13",
     "@polkadot/rpc-core": "4.12.2-13",
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     "@polkadot/types": "4.12.2-13",
     "@polkadot/types-known": "4.12.2-13",
-    "@polkadot/util": "^6.6.1",
-    "@polkadot/util-crypto": "^6.6.1",
-    "@polkadot/x-rxjs": "^6.6.1",
+    "@polkadot/util": "^6.6.2-11",
+    "@polkadot/util-crypto": "^6.6.2-11",
+    "@polkadot/x-rxjs": "^6.6.2-11",
     "bn.js": "^4.11.9",
     "eventemitter3": "^4.0.7"
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diff --git a/packages/metadata/package.json b/packages/metadata/package.json
index a1de843e83..415e8a0ef3 100644
--- a/packages/metadata/package.json
+++ b/packages/metadata/package.json
@@ -22,11 +22,11 @@
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     "@polkadot/types-known": "4.12.2-13",
-    "@polkadot/util": "^6.6.1",
-    "@polkadot/util-crypto": "^6.6.1",
+    "@polkadot/util": "^6.6.2-11",
+    "@polkadot/util-crypto": "^6.6.2-11",
     "bn.js": "^4.11.9"
   },
   "devDependencies": {
-    "@polkadot/keyring": "^6.6.1"
+    "@polkadot/keyring": "^6.6.2-11"
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 }
diff --git a/packages/rpc-core/package.json b/packages/rpc-core/package.json
index b5d0995411..84ff119f73 100644
--- a/packages/rpc-core/package.json
+++ b/packages/rpc-core/package.json
@@ -23,10 +23,10 @@
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-    "@polkadot/util": "^6.6.1",
-    "@polkadot/x-rxjs": "^6.6.1"
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-    "@polkadot/keyring": "^6.6.1"
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 }
diff --git a/packages/rpc-provider/package.json b/packages/rpc-provider/package.json
index 46fd4196b7..e491ac7d0f 100644
--- a/packages/rpc-provider/package.json
+++ b/packages/rpc-provider/package.json
@@ -21,16 +21,16 @@
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-    "@polkadot/x-global": "^6.6.1",
-    "@polkadot/x-ws": "^6.6.1",
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+    "@polkadot/x-fetch": "^6.6.2-11",
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diff --git a/packages/typegen/package.json b/packages/typegen/package.json
index 34a5083e68..62fc17184b 100644
--- a/packages/typegen/package.json
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diff --git a/packages/types-known/package.json b/packages/types-known/package.json
index eec21744f6..b25368324f 100644
--- a/packages/types-known/package.json
+++ b/packages/types-known/package.json
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diff --git a/packages/types/package.json b/packages/types/package.json
index ee4801f6dd..1acd019302 100644
--- a/packages/types/package.json
+++ b/packages/types/package.json
@@ -21,13 +21,13 @@
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-    "@polkadot/x-rxjs": "^6.6.1",
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     "bn.js": "^4.11.9"
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   "devDependencies": {
-    "@polkadot/keyring": "^6.6.1"
+    "@polkadot/keyring": "^6.6.2-11"
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 }
diff --git a/yarn.lock b/yarn.lock
index 91c06d84bc..b246eeadbd 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1851,8 +1851,8 @@ __metadata:
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-    "@polkadot/util": ^6.6.1
-    "@polkadot/x-rxjs": ^6.6.1
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     "@polkadot/rpc-provider": 4.12.2-13
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-    "@polkadot/util-crypto": ^6.6.1
-    "@polkadot/x-rxjs": ^6.6.1
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+    "@polkadot/x-rxjs": ^6.6.2-11
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-  resolution: "@polkadot/dev@npm:0.62.29"
+"@polkadot/dev@npm:^0.62.31":
+  version: 0.62.31
+  resolution: "@polkadot/dev@npm:0.62.31"
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     "@babel/core": ^7.14.3
@@ -1976,21 +1976,21 @@ __metadata:
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     polkadot-exec-tsc: scripts/polkadot-exec-tsc.cjs
     polkadot-exec-webpack: scripts/polkadot-exec-webpack.cjs
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-  resolution: "@polkadot/keyring@npm:6.6.1"
+"@polkadot/keyring@npm:^6.6.2-11":
+  version: 6.6.2-11
+  resolution: "@polkadot/keyring@npm:6.6.2-11"
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-    "@polkadot/util": 6.6.1
-    "@polkadot/util-crypto": 6.6.1
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+"@polkadot/networks@npm:6.6.2-11, @polkadot/networks@npm:^6.6.2-11":
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+  resolution: "@polkadot/networks@npm:6.6.2-11"
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-    "@polkadot/x-rxjs": ^6.6.1
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@@ -2036,14 +2036,14 @@ __metadata:
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-    "@polkadot/x-global": ^6.6.1
-    "@polkadot/x-ws": ^6.6.1
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+    "@polkadot/x-global": ^6.6.2-11
+    "@polkadot/x-ws": ^6.6.2-11
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-"@polkadot/ts@npm:^0.3.77":
-  version: 0.3.77
-  resolution: "@polkadot/ts@npm:0.3.77"
+"@polkadot/ts@npm:^0.3.79":
+  version: 0.3.79
+  resolution: "@polkadot/ts@npm:0.3.79"
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-    "@polkadot/networks": ^6.6.1
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-    "@polkadot/keyring": ^6.6.1
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-    "@polkadot/util-crypto": ^6.6.1
-    "@polkadot/x-rxjs": ^6.6.1
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+    "@polkadot/x-rxjs": ^6.6.2-11
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   linkType: soft
 
-"@polkadot/util-crypto@npm:6.6.1, @polkadot/util-crypto@npm:^6.6.1":
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-  resolution: "@polkadot/util-crypto@npm:6.6.1"
+"@polkadot/util-crypto@npm:6.6.2-11, @polkadot/util-crypto@npm:^6.6.2-11":
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+  resolution: "@polkadot/util-crypto@npm:6.6.2-11"
   dependencies:
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-    "@polkadot/networks": 6.6.1
-    "@polkadot/util": 6.6.1
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@@ -2135,23 +2135,23 @@ __metadata:
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-  resolution: "@polkadot/util@npm:6.6.1"
+"@polkadot/util@npm:6.6.2-11, @polkadot/util@npm:^6.6.2-11":
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+  resolution: "@polkadot/util@npm:6.6.2-11"
   dependencies:
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