diff --git a/.eslintrc.js b/.eslintrc.js
index cfca3692b6ae..4894b07432fc 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -1,4 +1,4 @@
-// Copyright 2017-2021 @polkadot/api authors & contributors
+// Copyright 2017-2022 @polkadot/api authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 const base = require('@polkadot/dev/config/eslint.cjs');
diff --git a/.prettierrc.cjs b/.prettierrc.cjs
index 00d28acb2989..8cf48c0d4d98 100644
--- a/.prettierrc.cjs
+++ b/.prettierrc.cjs
@@ -1,4 +1,4 @@
-// Copyright 2017-2021 @polkadot/api authors & contributors
+// Copyright 2017-2022 @polkadot/api authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 module.exports = require('@polkadot/dev/config/prettier.cjs');
diff --git a/babel.config.cjs b/babel.config.cjs
index 8424408cf0f5..12050499019b 100644
--- a/babel.config.cjs
+++ b/babel.config.cjs
@@ -1,4 +1,4 @@
-// Copyright 2017-2021 @polkadot/api authors & contributors
+// Copyright 2017-2022 @polkadot/api authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 module.exports = require('@polkadot/dev/config/babel-config-cjs.cjs');
diff --git a/jest.config.cjs b/jest.config.cjs
index ea8ac53e4e4d..e0608f0d9c83 100644
--- a/jest.config.cjs
+++ b/jest.config.cjs
@@ -1,4 +1,4 @@
-// Copyright 2017-2021 @polkadot/api authors & contributors
+// Copyright 2017-2022 @polkadot/api authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 const config = require('@polkadot/dev/config/jest.cjs');
diff --git a/rollup.config.mjs b/rollup.config.mjs
index c4c3fdbc1ef5..de33a10527be 100644
--- a/rollup.config.mjs
+++ b/rollup.config.mjs
@@ -1,4 +1,4 @@
-// Copyright 2017-2021 @polkadot/api authors & contributors
+// Copyright 2017-2022 @polkadot/api authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 import path from 'path';