diff --git a/.eslintrc.js b/.eslintrc.js
index da56b900..a9ff4b32 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -1,7 +1,7 @@
 // Copyright 2019-2020 @polkadot/extension authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
-const base = require('@polkadot/dev/config/eslint');
+const base = require('@polkadot/dev/config/eslint.cjs');
 
 module.exports = {
   ...base,
diff --git a/.github/workflows/pr-any.yml b/.github/workflows/pr-any.yml
index cf9cf2eb..6afa398b 100644
--- a/.github/workflows/pr-any.yml
+++ b/.github/workflows/pr-any.yml
@@ -9,9 +9,6 @@ jobs:
     name: ${{ matrix.step }}
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/setup-node@v1
-      with:
-        node-version: 12
     - uses: actions/checkout@v2
     - name: ${{ matrix.step }}
       run: |
diff --git a/.github/workflows/push-master.yml b/.github/workflows/push-master.yml
index e6c1649c..0917ff71 100644
--- a/.github/workflows/push-master.yml
+++ b/.github/workflows/push-master.yml
@@ -13,9 +13,6 @@ jobs:
     if: "! startsWith(github.event.head_commit.message, '[CI Skip]') && github.repository == 'polkadot-js/extension'"
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/setup-node@v1
-      with:
-        node-version: 12
     - uses: actions/checkout@v2
       with:
         token: ${{ secrets.GH_PAT }}
diff --git a/babel.config.js b/babel.config.js
index c22987dd..595eb179 100644
--- a/babel.config.js
+++ b/babel.config.js
@@ -1,4 +1,4 @@
 // Copyright 2019-2020 @polkadot/extension authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
-module.exports = require('@polkadot/dev/config/babel');
+module.exports = require('@polkadot/dev/config/babel-config-cjs.cjs');
diff --git a/babel.esnext.js b/babel.esnext.js
deleted file mode 100644
index 0992fcd1..00000000
--- a/babel.esnext.js
+++ /dev/null
@@ -1,4 +0,0 @@
-// Copyright 2019-2020 @polkadot/extension authors & contributors
-// SPDX-License-Identifier: Apache-2.0
-
-module.exports = require('@polkadot/dev/config/babel.esnext.js');
diff --git a/jest.config.js b/jest.config.js
index f01dbb35..5c47ac94 100644
--- a/jest.config.js
+++ b/jest.config.js
@@ -1,7 +1,7 @@
 // Copyright 2019-2020 @polkadot/extension authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
-const config = require('@polkadot/dev/config/jest');
+const config = require('@polkadot/dev/config/jest.cjs');
 
 module.exports = Object.assign({}, config, {
   browser: true,
diff --git a/package.json b/package.json
index 9dcf5602..34744ead 100644
--- a/package.json
+++ b/package.json
@@ -8,12 +8,12 @@
     "packages/*"
   ],
   "resolutions": {
-    "@polkadot/api": "^2.6.2-5",
-    "@polkadot/keyring": "^4.0.2-11",
-    "@polkadot/networks": "^4.0.2-11",
-    "@polkadot/types": "^2.6.2-5",
-    "@polkadot/util": "^4.0.2-11",
-    "@polkadot/util-crypto": "^4.0.2-11",
+    "@polkadot/api": "^2.6.2-7",
+    "@polkadot/keyring": "^4.0.2-12",
+    "@polkadot/networks": "^4.0.2-12",
+    "@polkadot/types": "^2.6.2-7",
+    "@polkadot/util": "^4.0.2-12",
+    "@polkadot/util-crypto": "^4.0.2-12",
     "babel-core": "^7.0.0-bridge.0",
     "safe-buffer": "^5.2.1",
     "typescript": "^4.0.3"
@@ -36,7 +36,7 @@
   },
   "devDependencies": {
     "@babel/core": "^7.12.3",
-    "@polkadot/dev": "^0.59.23",
+    "@polkadot/dev": "^0.60.1",
     "@types/jest": "^26.0.15",
     "babel-loader": "^8.1.0",
     "browser-resolve": "^2.0.0",
diff --git a/packages/extension-base/package.json b/packages/extension-base/package.json
index 5e593851..47f5b3a8 100644
--- a/packages/extension-base/package.json
+++ b/packages/extension-base/package.json
@@ -5,13 +5,12 @@
   "author": "Jaco Greeff <jacogr@gmail.com>",
   "license": "Apache-2",
   "main": "index.js",
-  "module": "esm/index.js",
   "sideEffects": false,
   "dependencies": {
     "@babel/runtime": "^7.12.1",
-    "@polkadot/api": "^2.6.2-5",
+    "@polkadot/api": "^2.6.2-7",
     "@polkadot/extension-inject": "^0.35.0-beta.46",
-    "@polkadot/keyring": "^4.0.2-11",
-    "@polkadot/ui-keyring": "^0.62.2-6"
+    "@polkadot/keyring": "^4.0.2-12",
+    "@polkadot/ui-keyring": "^0.62.2-11"
   }
 }
diff --git a/packages/extension-chains/package.json b/packages/extension-chains/package.json
index c9ef404a..b3f3038b 100644
--- a/packages/extension-chains/package.json
+++ b/packages/extension-chains/package.json
@@ -5,11 +5,10 @@
   "author": "Jaco Greeff <jacogr@gmail.com>",
   "license": "Apache-2",
   "main": "index.js",
-  "module": "esm/index.js",
   "sideEffects": false,
   "dependencies": {
     "@babel/runtime": "^7.12.1",
-    "@polkadot/networks": "^4.0.2-11"
+    "@polkadot/networks": "^4.0.2-12"
   },
   "peerDependencies": {
     "@polkadot/api": "*"
diff --git a/packages/extension-dapp/package.json b/packages/extension-dapp/package.json
index 9690a77f..7f7d84de 100644
--- a/packages/extension-dapp/package.json
+++ b/packages/extension-dapp/package.json
@@ -5,13 +5,12 @@
   "author": "Jaco Greeff <jacogr@gmail.com>",
   "license": "Apache-2",
   "main": "index.js",
-  "module": "esm/index.js",
   "sideEffects": false,
   "dependencies": {
     "@babel/runtime": "^7.12.1",
     "@polkadot/extension-inject": "^0.35.0-beta.46",
-    "@polkadot/util": "^4.0.2-11",
-    "@polkadot/util-crypto": "^4.0.2-11"
+    "@polkadot/util": "^4.0.2-12",
+    "@polkadot/util-crypto": "^4.0.2-12"
   },
   "peerDependencies": {
     "@polkadot/api": "*"
diff --git a/packages/extension-inject/package.json b/packages/extension-inject/package.json
index bf817194..ee62a52e 100644
--- a/packages/extension-inject/package.json
+++ b/packages/extension-inject/package.json
@@ -5,7 +5,6 @@
   "author": "Jaco Greeff <jacogr@gmail.com>",
   "license": "Apache-2",
   "main": "index.js",
-  "module": "esm/index.js",
   "sideEffects": false,
   "dependencies": {
     "@babel/runtime": "^7.12.1"
diff --git a/packages/extension-ui/package.json b/packages/extension-ui/package.json
index 643712fe..11e48a72 100644
--- a/packages/extension-ui/package.json
+++ b/packages/extension-ui/package.json
@@ -12,11 +12,11 @@
     "@fortawesome/react-fontawesome": "^0.1.12",
     "@polkadot/extension-base": "^0.35.0-beta.46",
     "@polkadot/extension-inject": "^0.35.0-beta.46",
-    "@polkadot/keyring": "^4.0.2-11",
-    "@polkadot/react-identicon": "^0.62.2-6",
-    "@polkadot/react-qr": "^0.62.2-6",
-    "@polkadot/util": "^4.0.2-11",
-    "@polkadot/util-crypto": "^4.0.2-11",
+    "@polkadot/keyring": "^4.0.2-12",
+    "@polkadot/react-identicon": "^0.62.2-11",
+    "@polkadot/react-qr": "^0.62.2-11",
+    "@polkadot/util": "^4.0.2-12",
+    "@polkadot/util-crypto": "^4.0.2-12",
     "i18next": "^19.8.3",
     "react": "^17.0.1",
     "react-dom": "^17.0.1",
diff --git a/packages/extension/package.json b/packages/extension/package.json
index 326dd87b..69c32a94 100644
--- a/packages/extension/package.json
+++ b/packages/extension/package.json
@@ -9,9 +9,9 @@
     "@polkadot/extension-base": "^0.35.0-beta.46",
     "@polkadot/extension-inject": "^0.35.0-beta.46",
     "@polkadot/extension-ui": "^0.35.0-beta.46",
-    "@polkadot/phishing": "^0.1.17"
+    "@polkadot/phishing": "^0.2.1"
   },
   "devDependencies": {
-    "@polkadot/dev": "^0.59.23"
+    "@polkadot/dev": "^0.60.1"
   }
 }
diff --git a/packages/extension/src/page.ts b/packages/extension/src/page.ts
index ab703e0d..ca2cc099 100644
--- a/packages/extension/src/page.ts
+++ b/packages/extension/src/page.ts
@@ -5,7 +5,7 @@ import { Message } from '@polkadot/extension-base/types';
 
 import { enable, handleResponse, redirectPhishing } from '@polkadot/extension-base/page';
 import { injectExtension } from '@polkadot/extension-inject';
-import retrieveCheckDeny from '@polkadot/phishing';
+import { checkIfDenied } from '@polkadot/phishing';
 
 // setup a response listener (events created by the loader for extension responses)
 window.addEventListener('message', ({ data, source }: Message): void => {
@@ -24,7 +24,7 @@ window.addEventListener('message', ({ data, source }: Message): void => {
 
 const currentUrl = window.location.host;
 
-retrieveCheckDeny(currentUrl)
+checkIfDenied(currentUrl)
   .then((isOnDeny) => {
     if (isOnDeny) {
       console.log('Phishing detected, redirecting to phishing info landing page');
diff --git a/packages/extension/webpack.config.js b/packages/extension/webpack.config.js
index 11f22c40..ecd4160d 100644
--- a/packages/extension/webpack.config.js
+++ b/packages/extension/webpack.config.js
@@ -46,7 +46,7 @@ function createWebpack ({ alias = {}, context }) {
             require.resolve('thread-loader'),
             {
               loader: require.resolve('babel-loader'),
-              options: require('@polkadot/dev/config/babel')
+              options: require('@polkadot/dev/config/babel-config-cjs.cjs')
             }
           ]
         },
diff --git a/tsconfig.json b/tsconfig.json
index 3a27ba42..4ec9b54e 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,5 +1,5 @@
 {
-  "extends": "./node_modules/@polkadot/dev/config/tsconfig",
+  "extends": "@polkadot/dev/config/tsconfig.json",
   "exclude": [
     "build/**/*",
     "**/build/*",
diff --git a/yarn.lock b/yarn.lock
index 957e7859..fab50213 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1835,9 +1835,9 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@ledgerhq/hw-transport-node-hid@npm:^5.28.0":
+"@ledgerhq/hw-transport-node-hid-singleton@npm:^5.28.0":
   version: 5.28.0
-  resolution: "@ledgerhq/hw-transport-node-hid@npm:5.28.0"
+  resolution: "@ledgerhq/hw-transport-node-hid-singleton@npm:5.28.0"
   dependencies:
     "@ledgerhq/devices": ^5.28.0
     "@ledgerhq/errors": ^5.28.0
@@ -1846,8 +1846,8 @@ __metadata:
     "@ledgerhq/logs": ^5.28.0
     lodash: ^4.17.20
     node-hid: 1.3.0
-    usb: ^1.6.3
-  checksum: cb9f774d8d16cbccf8c3df65959e0b919ab51d6fa23838e98df9be30b74fdd2ccdd4da980de50f1d7f7b15c533db20e00d87db459eba29259f0efb7ebfc933ed
+    usb-detection: ^4.10.0
+  checksum: ce5005c43b022c5beaf6dac155547afc8013be30489eabb7eea3ad435feb02e79afe9da34156a8d8bfc0db076d1e31399271e5752046b68fcfc3eb9c45e3701a
   languageName: node
   linkType: hard
 
@@ -1944,47 +1944,47 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@polkadot/api-derive@npm:2.6.2-5":
-  version: 2.6.2-5
-  resolution: "@polkadot/api-derive@npm:2.6.2-5"
+"@polkadot/api-derive@npm:2.6.2-7":
+  version: 2.6.2-7
+  resolution: "@polkadot/api-derive@npm:2.6.2-7"
   dependencies:
     "@babel/runtime": ^7.12.1
-    "@polkadot/api": 2.6.2-5
-    "@polkadot/rpc-core": 2.6.2-5
-    "@polkadot/types": 2.6.2-5
-    "@polkadot/util": ^4.0.2-11
-    "@polkadot/util-crypto": ^4.0.2-11
+    "@polkadot/api": 2.6.2-7
+    "@polkadot/rpc-core": 2.6.2-7
+    "@polkadot/types": 2.6.2-7
+    "@polkadot/util": ^4.0.2-12
+    "@polkadot/util-crypto": ^4.0.2-12
     bn.js: ^5.1.3
     memoizee: ^0.4.14
     rxjs: ^6.6.3
-  checksum: 5bf351171c213b7bf18233205f25631b9fc0a932643804fa11069cdc90c9221164427e445f72f50998d6eba78c239d129aa4c0abb95f044e84897769789ed3e5
+  checksum: 980c6c0ab9723bc863b52afd1f921c4d58ba2aaae57c3248a4ae318344a08122f2fa28ef8304ca2928fd6f10ae22b20284ca0a14ca0555a5cb03e79410cd8dfa
   languageName: node
   linkType: hard
 
-"@polkadot/api@npm:^2.6.2-5":
-  version: 2.6.2-5
-  resolution: "@polkadot/api@npm:2.6.2-5"
+"@polkadot/api@npm:^2.6.2-7":
+  version: 2.6.2-7
+  resolution: "@polkadot/api@npm:2.6.2-7"
   dependencies:
     "@babel/runtime": ^7.12.1
-    "@polkadot/api-derive": 2.6.2-5
-    "@polkadot/keyring": ^4.0.2-11
-    "@polkadot/metadata": 2.6.2-5
-    "@polkadot/rpc-core": 2.6.2-5
-    "@polkadot/rpc-provider": 2.6.2-5
-    "@polkadot/types": 2.6.2-5
-    "@polkadot/types-known": 2.6.2-5
-    "@polkadot/util": ^4.0.2-11
-    "@polkadot/util-crypto": ^4.0.2-11
+    "@polkadot/api-derive": 2.6.2-7
+    "@polkadot/keyring": ^4.0.2-12
+    "@polkadot/metadata": 2.6.2-7
+    "@polkadot/rpc-core": 2.6.2-7
+    "@polkadot/rpc-provider": 2.6.2-7
+    "@polkadot/types": 2.6.2-7
+    "@polkadot/types-known": 2.6.2-7
+    "@polkadot/util": ^4.0.2-12
+    "@polkadot/util-crypto": ^4.0.2-12
     bn.js: ^5.1.3
     eventemitter3: ^4.0.7
     rxjs: ^6.6.3
-  checksum: d49be0ac4e21a239f8f38d9842ebfae19b771e4d5ab63d9e6f4dfaa88e9e597329ecae25373f6d8535c7ae259a50ddb80d97b578368ab4f9066e828c831ee6d1
+  checksum: f038ac797c03b153280f5fb0eedefaade606a15e098794ffe1920c86b3c7342c579551c4fa8cb09cf7d99861dc7f00d1e16663220d1f6b1b1486932e34540373
   languageName: node
   linkType: hard
 
-"@polkadot/dev@npm:^0.59.23":
-  version: 0.59.23
-  resolution: "@polkadot/dev@npm:0.59.23"
+"@polkadot/dev@npm:^0.60.1":
+  version: 0.60.1
+  resolution: "@polkadot/dev@npm:0.60.1"
   dependencies:
     "@babel/cli": ^7.12.1
     "@babel/core": ^7.12.3
@@ -2049,29 +2049,29 @@ __metadata:
     typescript: ^4.0.5
     yargs: ^16.1.0
   bin:
-    polkadot-ci-ghact-build: scripts/polkadot-ci-ghact-build.js
-    polkadot-ci-ghact-docs: scripts/polkadot-ci-ghact-docs.js
-    polkadot-ci-ghpages-force: scripts/polkadot-ci-ghpages-force.js
-    polkadot-dev-build-docs: scripts/polkadot-dev-build-docs.js
-    polkadot-dev-build-ts: scripts/polkadot-dev-build-ts.js
-    polkadot-dev-circular: scripts/polkadot-dev-circular.js
-    polkadot-dev-clean-build: scripts/polkadot-dev-clean-build.js
-    polkadot-dev-copy-to: scripts/polkadot-dev-copy-to.js
-    polkadot-dev-run-lint: scripts/polkadot-dev-run-lint.js
-    polkadot-dev-run-prettier: scripts/polkadot-dev-run-prettier.js
-    polkadot-dev-run-test: scripts/polkadot-dev-run-test.js
-    polkadot-dev-version: scripts/polkadot-dev-version.js
-    polkadot-dev-yarn-only: scripts/polkadot-dev-yarn-only.js
-    polkadot-exec-eslint: scripts/polkadot-exec-eslint.js
-    polkadot-exec-ghpages: scripts/polkadot-exec-ghpages.js
-    polkadot-exec-ghrelease: scripts/polkadot-exec-ghrelease.js
-    polkadot-exec-lerna: scripts/polkadot-exec-lerna.js
-    polkadot-exec-prettier: scripts/polkadot-exec-prettier.js
-    polkadot-exec-tsc: scripts/polkadot-exec-tsc.js
-    polkadot-exec-typedoc: scripts/polkadot-exec-typedoc.js
-    polkadot-exec-vuepress: scripts/polkadot-exec-vuepress.js
-    polkadot-exec-webpack: scripts/polkadot-exec-webpack.js
-  checksum: 1b9ba8a275ea59980530a3a7d891840727c8d0e91eabeca6717d8a38cff4f9f9a5629942c3f5e7ff5a309f1107a9486da9bf4782c7459549887c55a398b80c17
+    polkadot-ci-ghact-build: scripts/polkadot-ci-ghact-build.cjs
+    polkadot-ci-ghact-docs: scripts/polkadot-ci-ghact-docs.cjs
+    polkadot-ci-ghpages-force: scripts/polkadot-ci-ghpages-force.cjs
+    polkadot-dev-build-docs: scripts/polkadot-dev-build-docs.cjs
+    polkadot-dev-build-ts: scripts/polkadot-dev-build-ts.cjs
+    polkadot-dev-circular: scripts/polkadot-dev-circular.cjs
+    polkadot-dev-clean-build: scripts/polkadot-dev-clean-build.cjs
+    polkadot-dev-copy-to: scripts/polkadot-dev-copy-to.cjs
+    polkadot-dev-run-lint: scripts/polkadot-dev-run-lint.cjs
+    polkadot-dev-run-prettier: scripts/polkadot-dev-run-prettier.cjs
+    polkadot-dev-run-test: scripts/polkadot-dev-run-test.cjs
+    polkadot-dev-version: scripts/polkadot-dev-version.cjs
+    polkadot-dev-yarn-only: scripts/polkadot-dev-yarn-only.cjs
+    polkadot-exec-eslint: scripts/polkadot-exec-eslint.cjs
+    polkadot-exec-ghpages: scripts/polkadot-exec-ghpages.cjs
+    polkadot-exec-ghrelease: scripts/polkadot-exec-ghrelease.cjs
+    polkadot-exec-lerna: scripts/polkadot-exec-lerna.cjs
+    polkadot-exec-prettier: scripts/polkadot-exec-prettier.cjs
+    polkadot-exec-tsc: scripts/polkadot-exec-tsc.cjs
+    polkadot-exec-typedoc: scripts/polkadot-exec-typedoc.cjs
+    polkadot-exec-vuepress: scripts/polkadot-exec-vuepress.cjs
+    polkadot-exec-webpack: scripts/polkadot-exec-webpack.cjs
+  checksum: 87086fe151f853bad1206099b642a20c381801e67d3564c35f478acc1d5c2dd2f29b8ac4d4aaa71d30880764ab5d678adeb7f2edb6d38607a5e629e3ccb75ba2
   languageName: node
   linkType: hard
 
@@ -2080,10 +2080,10 @@ __metadata:
   resolution: "@polkadot/extension-base@workspace:packages/extension-base"
   dependencies:
     "@babel/runtime": ^7.12.1
-    "@polkadot/api": ^2.6.2-5
+    "@polkadot/api": ^2.6.2-7
     "@polkadot/extension-inject": ^0.35.0-beta.46
-    "@polkadot/keyring": ^4.0.2-11
-    "@polkadot/ui-keyring": ^0.62.2-6
+    "@polkadot/keyring": ^4.0.2-12
+    "@polkadot/ui-keyring": ^0.62.2-11
   languageName: unknown
   linkType: soft
 
@@ -2092,7 +2092,7 @@ __metadata:
   resolution: "@polkadot/extension-chains@workspace:packages/extension-chains"
   dependencies:
     "@babel/runtime": ^7.12.1
-    "@polkadot/networks": ^4.0.2-11
+    "@polkadot/networks": ^4.0.2-12
   peerDependencies:
     "@polkadot/api": "*"
   languageName: unknown
@@ -2104,8 +2104,8 @@ __metadata:
   dependencies:
     "@babel/runtime": ^7.12.1
     "@polkadot/extension-inject": ^0.35.0-beta.46
-    "@polkadot/util": ^4.0.2-11
-    "@polkadot/util-crypto": ^4.0.2-11
+    "@polkadot/util": ^4.0.2-12
+    "@polkadot/util-crypto": ^4.0.2-12
   peerDependencies:
     "@polkadot/api": "*"
   languageName: unknown
@@ -2134,11 +2134,11 @@ __metadata:
     "@fortawesome/react-fontawesome": ^0.1.12
     "@polkadot/extension-base": ^0.35.0-beta.46
     "@polkadot/extension-inject": ^0.35.0-beta.46
-    "@polkadot/keyring": ^4.0.2-11
-    "@polkadot/react-identicon": ^0.62.2-6
-    "@polkadot/react-qr": ^0.62.2-6
-    "@polkadot/util": ^4.0.2-11
-    "@polkadot/util-crypto": ^4.0.2-11
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