diff --git a/package.json b/package.json
index 3f967398eb..a64b77e8b7 100644
--- a/package.json
+++ b/package.json
@@ -33,11 +33,11 @@
     "afterSign": "electron-builder-notarize"
   },
   "resolutions": {
-    "@polkadot/api": "^2.4.2-16",
-    "@polkadot/api-contract": "^2.4.2-16",
+    "@polkadot/api": "^2.4.2-20",
+    "@polkadot/api-contract": "^2.4.2-20",
     "@polkadot/keyring": "^3.6.2-12",
     "@polkadot/networks": "^3.6.2-12",
-    "@polkadot/types": "^2.4.2-16",
+    "@polkadot/types": "^2.4.2-20",
     "@polkadot/util": "^3.6.2-12",
     "@polkadot/util-crypto": "^3.6.2-12",
     "@polkadot/wasm-crypto": "^1.4.1",
diff --git a/packages/page-accounts/package.json b/packages/page-accounts/package.json
index 77e36eb808..0abda738d0 100644
--- a/packages/page-accounts/package.json
+++ b/packages/page-accounts/package.json
@@ -13,7 +13,7 @@
   "dependencies": {
     "@babel/runtime": "^7.12.1",
     "@polkadot/react-components": "^0.64.2-6",
-    "@polkadot/vanitygen": "^0.22.2-6",
+    "@polkadot/vanitygen": "^0.22.2-7",
     "detect-browser": "^5.2.0",
     "file-saver": "^2.0.2"
   },
diff --git a/packages/page-addresses/package.json b/packages/page-addresses/package.json
index c636ecb0fe..3abebb9cfa 100644
--- a/packages/page-addresses/package.json
+++ b/packages/page-addresses/package.json
@@ -13,7 +13,7 @@
   "dependencies": {
     "@babel/runtime": "^7.12.1",
     "@polkadot/react-components": "^0.64.2-6",
-    "@polkadot/vanitygen": "^0.22.2-6",
+    "@polkadot/vanitygen": "^0.22.2-7",
     "detect-browser": "^5.2.0",
     "file-saver": "^2.0.2"
   },
diff --git a/packages/page-contracts/package.json b/packages/page-contracts/package.json
index 9d4e2677a1..e87a282d25 100644
--- a/packages/page-contracts/package.json
+++ b/packages/page-contracts/package.json
@@ -12,6 +12,6 @@
   "license": "Apache-2.0",
   "dependencies": {
     "@babel/runtime": "^7.12.1",
-    "@polkadot/api-contract": "^2.4.2-16"
+    "@polkadot/api-contract": "^2.4.2-20"
   }
 }
diff --git a/packages/page-contracts/src/Contracts/Call.tsx b/packages/page-contracts/src/Contracts/Call.tsx
index 59ccbb241d..1b7b7e66ac 100644
--- a/packages/page-contracts/src/Contracts/Call.tsx
+++ b/packages/page-contracts/src/Contracts/Call.tsx
@@ -63,9 +63,9 @@ function Call ({ className = '', contract, messageIndex, onCallResult, onChangeM
     contract
       .read(message, message.isPayable ? dbValue : 0, -1, ...dbParams)
       .send(accountId)
-      .then(({ result }) => setEstimatedWeight(
-        result.isSuccess
-          ? result.asSuccess.gasConsumed
+      .then(({ gasConsumed, result }) => setEstimatedWeight(
+        result.isOk
+          ? gasConsumed
           : null
       ))
       .catch(() => setEstimatedWeight(null));
diff --git a/packages/page-contracts/src/Contracts/Outcome.tsx b/packages/page-contracts/src/Contracts/Outcome.tsx
index 8353a4bf92..d8218c87e0 100644
--- a/packages/page-contracts/src/Contracts/Outcome.tsx
+++ b/packages/page-contracts/src/Contracts/Outcome.tsx
@@ -22,7 +22,7 @@ function Outcome ({ className = '', onClear, outcome: { from, message, output, p
       <IdentityIcon value={from} />
       <Output
         className='output'
-        isError={!result.isSuccess}
+        isError={!result.isOk}
         isFull
         label={
           <MessageSignature
@@ -37,7 +37,7 @@ function Outcome ({ className = '', onClear, outcome: { from, message, output, p
             {when.toLocaleTimeString()}
           </span>
         }
-        value={valueToText('Text', output)}
+        value={valueToText('Text', result.isOk ? output : result)}
       />
       <Button
         icon='times'
diff --git a/packages/page-contracts/src/shared/Message.tsx b/packages/page-contracts/src/shared/Message.tsx
index c40e571adb..4d25370584 100644
--- a/packages/page-contracts/src/shared/Message.tsx
+++ b/packages/page-contracts/src/shared/Message.tsx
@@ -65,7 +65,7 @@ function Message ({ className = '', index, lastResult, message, onSelect }: Prop
             <Button
               className='accessory'
               icon='play'
-              isDisabled={message.isMutating ? false : (!message.args.length && lastResult?.result.isSuccess)}
+              isDisabled={message.isMutating ? false : (!message.args.length && lastResult?.result.isOk)}
               label={message.isMutating ? t<string>('exec') : t<string>('read')}
               onClick={_onSelect}
             />
@@ -86,7 +86,7 @@ function Message ({ className = '', index, lastResult, message, onSelect }: Prop
           }
         </div>
       </div>
-      {lastResult && lastResult.result.isSuccess && lastResult.output && (
+      {lastResult && lastResult.result.isOk && lastResult.output && (
         <Output
           className='result'
           isFull
diff --git a/packages/react-api/package.json b/packages/react-api/package.json
index 8da609ab3c..82d02cf2d7 100644
--- a/packages/react-api/package.json
+++ b/packages/react-api/package.json
@@ -31,8 +31,8 @@
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   "dependencies": {
     "@babel/runtime": "^7.12.1",
-    "@polkadot/api": "^2.4.2-16",
-    "@polkadot/extension-dapp": "^0.35.0-beta.38",
+    "@polkadot/api": "^2.4.2-20",
+    "@polkadot/extension-dapp": "^0.35.0-beta.41",
     "rxjs-compat": "^6.6.3"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index d78f3ed7a8..a59167c280 100644
--- a/yarn.lock
+++ b/yarn.lock
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-    "@polkadot/types": ^2.4.2-16
+    "@polkadot/api": ^2.4.2-20
+    "@polkadot/rpc-core": ^2.4.2-20
+    "@polkadot/types": ^2.4.2-20
     "@polkadot/util": ^3.6.2-12
     bn.js: ^5.1.3
     rxjs: ^6.6.3
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-    "@polkadot/types-known": ^2.4.2-16
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+    "@polkadot/rpc-core": ^2.4.2-20
+    "@polkadot/rpc-provider": ^2.4.2-20
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+    "@polkadot/types-known": ^2.4.2-20
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     "@polkadot/util-crypto": ^3.6.2-12
     bn.js: ^5.1.3
     eventemitter3: ^4.0.7
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-  checksum: 0a58c10f354246594f9c8427225f2cd1b2f041db5126c141d87d4820625e35e6644da3b001370f23467f3d033fde1de42693eaa074bb2a56aa93e9f4d919b0dc
+  checksum: 1de0fb5c259bbc42c1f50669773994bbcabd40cb364938e66ab479a456c6bb6d69f377f6c2f8367b2eaecc6259c9757f88272c9050cf30c8e6a43e17ee04eaf8
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@@ -2040,7 +2040,7 @@ __metadata:
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     "@babel/runtime": ^7.12.1
     "@polkadot/react-components": ^0.64.2-6
-    "@polkadot/vanitygen": ^0.22.2-6
+    "@polkadot/vanitygen": ^0.22.2-7
     "@testing-library/react": ^11.1.0
     detect-browser: ^5.2.0
     file-saver: ^2.0.2
@@ -2054,7 +2054,7 @@ __metadata:
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     "@babel/runtime": ^7.12.1
     "@polkadot/react-components": ^0.64.2-6
-    "@polkadot/vanitygen": ^0.22.2-6
+    "@polkadot/vanitygen": ^0.22.2-7
     "@testing-library/react": ^11.1.0
     detect-browser: ^5.2.0
     file-saver: ^2.0.2
@@ -2086,7 +2086,7 @@ __metadata:
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   dependencies:
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-    "@polkadot/api-contract": ^2.4.2-16
+    "@polkadot/api-contract": ^2.4.2-20
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@@ -2430,28 +2430,28 @@ __metadata:
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-  resolution: "@polkadot/extension-dapp@npm:0.35.0-beta.39"
+"@polkadot/extension-dapp@npm:^0.35.0-beta.41":
+  version: 0.35.0-beta.41
+  resolution: "@polkadot/extension-dapp@npm:0.35.0-beta.41"
   dependencies:
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-    "@polkadot/extension-inject": ^0.35.0-beta.39
+    "@polkadot/extension-inject": ^0.35.0-beta.41
     "@polkadot/util": ^3.6.1
     "@polkadot/util-crypto": ^3.6.1
   peerDependencies:
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+  checksum: eef8b07af0abc66d68b4b3b4604591452e12da88e65bfa51f09e6b15aee188dec49a285e928aa72e58e7fc3ba9e9b9b0283b8c05e8237573a2cd86ce1d6effa0
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-  resolution: "@polkadot/extension-inject@npm:0.35.0-beta.39"
+"@polkadot/extension-inject@npm:^0.35.0-beta.41":
+  version: 0.35.0-beta.41
+  resolution: "@polkadot/extension-inject@npm:0.35.0-beta.41"
   dependencies:
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   peerDependencies:
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-  version: 2.4.2-16
-  resolution: "@polkadot/metadata@npm:2.4.2-16"
+"@polkadot/metadata@npm:^2.4.2-20":
+  version: 2.4.2-20
+  resolution: "@polkadot/metadata@npm:2.4.2-20"
   dependencies:
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-    "@polkadot/types": ^2.4.2-16
-    "@polkadot/types-known": ^2.4.2-16
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+    "@polkadot/types-known": ^2.4.2-20
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     "@polkadot/util-crypto": ^3.6.2-12
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   dependencies:
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-    "@polkadot/api": ^2.4.2-16
-    "@polkadot/extension-dapp": ^0.35.0-beta.38
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+    "@polkadot/extension-dapp": ^0.35.0-beta.41
     rxjs-compat: ^6.6.3
   languageName: unknown
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@@ -2625,35 +2625,35 @@ __metadata:
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-  resolution: "@polkadot/rpc-core@npm:2.4.2-16"
+"@polkadot/rpc-core@npm:^2.4.2-20":
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+  resolution: "@polkadot/rpc-core@npm:2.4.2-20"
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-  resolution: "@polkadot/vanitygen@npm:0.22.2-6"
+"@polkadot/vanitygen@npm:^0.22.2-7":
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+  resolution: "@polkadot/vanitygen@npm:0.22.2-7"
   dependencies:
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@@ -2798,7 +2798,7 @@ __metadata:
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   bin:
     polkadot-js-vanitygen: index.js
-  checksum: 017f0f4619e38ca86b96a6401db0da0db76bb75a2eadf56e01040d126d360fe78b1c8e365d3eb075fb3f3a330b616abc8049de1e7efa6ff4cbed3912ed1a2e82
+  checksum: 752bbfd5ea2ede3980073598973f400214958cfdc81bdbe16a205e57710391e31e4e95b063f9bb964facb5dd43b0cc5c1585824795d056f267fb59a296fd0015
   languageName: node
   linkType: hard