diff --git a/.eslintrc.js b/.eslintrc.js
index 9c3315bc..d983fd68 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -1,4 +1,4 @@
-// Copyright 2019-2020 @polkadot/wasm-crypto authors & contributors
+// Copyright 2019-2021 @polkadot/wasm-crypto authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 const base = require('@polkadot/dev/config/eslint.cjs');
diff --git a/babel.config.js b/babel.config.js
index 019ecabd..b505a4fb 100644
--- a/babel.config.js
+++ b/babel.config.js
@@ -1,4 +1,4 @@
-// Copyright 2019-2020 @polkadot/wasm-crypto authors & contributors
+// Copyright 2019-2021 @polkadot/wasm-crypto authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 module.exports = require('@polkadot/dev/config/babel-config-cjs.cjs');
diff --git a/jest.config.js b/jest.config.js
index 874a3a92..7bbff920 100644
--- a/jest.config.js
+++ b/jest.config.js
@@ -1,4 +1,4 @@
-// Copyright 2019-2020 @polkadot/wasm-crypto authors & contributors
+// Copyright 2019-2021 @polkadot/wasm-crypto authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 const config = require('@polkadot/dev/config/jest.cjs');
diff --git a/packages/wasm-crypto-asmjs/src/data.ts b/packages/wasm-crypto-asmjs/src/data.ts
index d9506371..5701f240 100644
--- a/packages/wasm-crypto-asmjs/src/data.ts
+++ b/packages/wasm-crypto-asmjs/src/data.ts
@@ -1,4 +1,4 @@
-// Copyright 2017-2020 @polkadot/wasm-crypto-asmjs authors & contributors
+// Copyright 2019-2021 @polkadot/wasm-crypto-asmjs authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 export const asmJsInit = null;
diff --git a/packages/wasm-crypto-asmjs/src/empty.ts b/packages/wasm-crypto-asmjs/src/empty.ts
index d9506371..5701f240 100644
--- a/packages/wasm-crypto-asmjs/src/empty.ts
+++ b/packages/wasm-crypto-asmjs/src/empty.ts
@@ -1,4 +1,4 @@
-// Copyright 2017-2020 @polkadot/wasm-crypto-asmjs authors & contributors
+// Copyright 2019-2021 @polkadot/wasm-crypto-asmjs authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 export const asmJsInit = null;
diff --git a/packages/wasm-crypto-wasm/src/buffer.ts b/packages/wasm-crypto-wasm/src/buffer.ts
index 6bc5774f..56d2ac7e 100644
--- a/packages/wasm-crypto-wasm/src/buffer.ts
+++ b/packages/wasm-crypto-wasm/src/buffer.ts
@@ -1,4 +1,4 @@
-// Copyright 2017-2020 @polkadot/wasm-crypto-wasm authors & contributors
+// Copyright 2019-2021 @polkadot/wasm-crypto-wasm authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 export const buffer = Buffer.from([]);
diff --git a/packages/wasm-crypto-wasm/src/data.ts b/packages/wasm-crypto-wasm/src/data.ts
index 43c598f4..713805f0 100644
--- a/packages/wasm-crypto-wasm/src/data.ts
+++ b/packages/wasm-crypto-wasm/src/data.ts
@@ -1,4 +1,4 @@
-// Copyright 2017-2020 @polkadot/wasm-crypto-wasm authors & contributors
+// Copyright 2019-2021 @polkadot/wasm-crypto-wasm authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 import { buffer, sizeUncompressed } from './buffer';
diff --git a/packages/wasm-crypto-wasm/src/empty.ts b/packages/wasm-crypto-wasm/src/empty.ts
index d973ae32..e244569e 100644
--- a/packages/wasm-crypto-wasm/src/empty.ts
+++ b/packages/wasm-crypto-wasm/src/empty.ts
@@ -1,4 +1,4 @@
-// Copyright 2017-2020 @polkadot/wasm-crypto-wasm authors & contributors
+// Copyright 2019-2021 @polkadot/wasm-crypto-wasm authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 export const wasmBytes = null;
diff --git a/packages/wasm-crypto-wasm/src/fflate.ts b/packages/wasm-crypto-wasm/src/fflate.ts
index e485eac5..7be43127 100644
--- a/packages/wasm-crypto-wasm/src/fflate.ts
+++ b/packages/wasm-crypto-wasm/src/fflate.ts
@@ -1,4 +1,4 @@
-// Copyright 2017-2020 @polkadot/wasm-crypto authors & contributors
+// Copyright 2019-2021 @polkadot/wasm-crypto authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 // MIT License
diff --git a/packages/wasm-crypto/src/bridge.ts b/packages/wasm-crypto/src/bridge.ts
index 256064c9..3219361f 100644
--- a/packages/wasm-crypto/src/bridge.ts
+++ b/packages/wasm-crypto/src/bridge.ts
@@ -1,4 +1,4 @@
-// Copyright 2019-2020 @polkadot/wasm-crypto authors & contributors
+// Copyright 2019-2021 @polkadot/wasm-crypto authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 /* eslint-disable @typescript-eslint/no-non-null-assertion */
diff --git a/packages/wasm-crypto/src/detectPackage.ts b/packages/wasm-crypto/src/detectPackage.ts
index 4d23fb44..67b8680f 100644
--- a/packages/wasm-crypto/src/detectPackage.ts
+++ b/packages/wasm-crypto/src/detectPackage.ts
@@ -1,4 +1,4 @@
-// Copyright 2017-2020 @polkadot/wasm-crypto authors & contributors
+// Copyright 2017-2021 @polkadot/wasm-crypto authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 // For esm, this should be import.meta.url or to get the same behavior as __dirname, we can use
diff --git a/packages/wasm-crypto/src/imports.ts b/packages/wasm-crypto/src/imports.ts
index 11f89a1f..06f9c4a2 100644
--- a/packages/wasm-crypto/src/imports.ts
+++ b/packages/wasm-crypto/src/imports.ts
@@ -1,4 +1,4 @@
-// Copyright 2019-2020 @polkadot/wasm-crypto authors & contributors
+// Copyright 2019-2021 @polkadot/wasm-crypto authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 /* eslint-disable camelcase */
diff --git a/packages/wasm-crypto/src/index.ts b/packages/wasm-crypto/src/index.ts
index c739bd7a..e34211e8 100644
--- a/packages/wasm-crypto/src/index.ts
+++ b/packages/wasm-crypto/src/index.ts
@@ -1,4 +1,4 @@
-// Copyright 2019-2020 @polkadot/wasm-crypto authors & contributors
+// Copyright 2019-2021 @polkadot/wasm-crypto authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 import './detectPackage';
diff --git a/packages/wasm-crypto/src/json.d.ts b/packages/wasm-crypto/src/json.d.ts
index e7ea5e36..bc6da8bc 100644
--- a/packages/wasm-crypto/src/json.d.ts
+++ b/packages/wasm-crypto/src/json.d.ts
@@ -1,4 +1,4 @@
-// Copyright 2017-2020 @polkadot/wasm-crypto authors & contributors
+// Copyright 2017-2021 @polkadot/wasm-crypto authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 // Be able to import json in TS
diff --git a/packages/wasm-crypto/src/lib.rs b/packages/wasm-crypto/src/lib.rs
index c9bfc427..d63924e6 100644
--- a/packages/wasm-crypto/src/lib.rs
+++ b/packages/wasm-crypto/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2019-2020 @polkadot/wasm-crypto authors & contributors
+// Copyright 2019-2021 @polkadot/wasm-crypto authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 // Use `wee_alloc` as the global allocator.
diff --git a/packages/wasm-crypto/src/rs/bip39.rs b/packages/wasm-crypto/src/rs/bip39.rs
index ec79c65a..e377f4ed 100644
--- a/packages/wasm-crypto/src/rs/bip39.rs
+++ b/packages/wasm-crypto/src/rs/bip39.rs
@@ -1,4 +1,4 @@
-// Copyright 2019-2020 @polkadot/wasm-crypto authors & contributors
+// Copyright 2019-2021 @polkadot/wasm-crypto authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 use bip39::{Mnemonic, MnemonicType, Language, Seed};
diff --git a/packages/wasm-crypto/src/rs/ed25519.rs b/packages/wasm-crypto/src/rs/ed25519.rs
index bf8f3f14..036f34fe 100644
--- a/packages/wasm-crypto/src/rs/ed25519.rs
+++ b/packages/wasm-crypto/src/rs/ed25519.rs
@@ -1,4 +1,4 @@
-// Copyright 2019-2020 @polkadot/wasm-crypto authors & contributors
+// Copyright 2019-2021 @polkadot/wasm-crypto authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 use std::convert::TryFrom;
diff --git a/packages/wasm-crypto/src/rs/hashing.rs b/packages/wasm-crypto/src/rs/hashing.rs
index 9eee2bf0..56d98db6 100644
--- a/packages/wasm-crypto/src/rs/hashing.rs
+++ b/packages/wasm-crypto/src/rs/hashing.rs
@@ -1,4 +1,4 @@
-// Copyright 2019-2020 @polkadot/wasm-crypto authors & contributors
+// Copyright 2019-2021 @polkadot/wasm-crypto authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 use blake2_rfc::blake2b::blake2b;
diff --git a/packages/wasm-crypto/src/rs/sr25519.rs b/packages/wasm-crypto/src/rs/sr25519.rs
index a7548e2f..20285a24 100644
--- a/packages/wasm-crypto/src/rs/sr25519.rs
+++ b/packages/wasm-crypto/src/rs/sr25519.rs
@@ -1,4 +1,4 @@
-// Copyright 2019-2020 @polkadot/wasm-crypto authors & contributors
+// Copyright 2019-2021 @polkadot/wasm-crypto authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 // Copyright 2019 Paritytech via https://github.com/paritytech/schnorrkel-js/
diff --git a/packages/wasm-crypto/src/types.ts b/packages/wasm-crypto/src/types.ts
index e5de10e9..6e352a4f 100644
--- a/packages/wasm-crypto/src/types.ts
+++ b/packages/wasm-crypto/src/types.ts
@@ -1,4 +1,4 @@
-// Copyright 2019-2020 @polkadot/wasm-crypto authors & contributors
+// Copyright 2019-2021 @polkadot/wasm-crypto authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 /* eslint-disable camelcase */
diff --git a/packages/wasm-crypto/test/alias-imports.js b/packages/wasm-crypto/test/alias-imports.js
index 8a113c3d..e2b58c51 100644
--- a/packages/wasm-crypto/test/alias-imports.js
+++ b/packages/wasm-crypto/test/alias-imports.js
@@ -1,4 +1,4 @@
-// Copyright 2019-2020 @polkadot/wasm-crypto authors & contributors
+// Copyright 2019-2021 @polkadot/wasm-crypto authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 require('override-require')(
diff --git a/packages/wasm-crypto/test/all/bip39.js b/packages/wasm-crypto/test/all/bip39.js
index 0e3e8f87..e22005b7 100644
--- a/packages/wasm-crypto/test/all/bip39.js
+++ b/packages/wasm-crypto/test/all/bip39.js
@@ -1,4 +1,4 @@
-// Copyright 2019-2020 @polkadot/wasm-crypto authors & contributors
+// Copyright 2019-2021 @polkadot/wasm-crypto authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 /* eslint-disable camelcase */
diff --git a/packages/wasm-crypto/test/all/ed25519.js b/packages/wasm-crypto/test/all/ed25519.js
index 7c94986e..71035af7 100644
--- a/packages/wasm-crypto/test/all/ed25519.js
+++ b/packages/wasm-crypto/test/all/ed25519.js
@@ -1,4 +1,4 @@
-// Copyright 2019-2020 @polkadot/wasm-crypto authors & contributors
+// Copyright 2019-2021 @polkadot/wasm-crypto authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 /* eslint-disable camelcase */
diff --git a/packages/wasm-crypto/test/all/hashing.js b/packages/wasm-crypto/test/all/hashing.js
index 249f80b3..994a0d42 100644
--- a/packages/wasm-crypto/test/all/hashing.js
+++ b/packages/wasm-crypto/test/all/hashing.js
@@ -1,4 +1,4 @@
-// Copyright 2019-2020 @polkadot/wasm-crypto authors & contributors
+// Copyright 2019-2021 @polkadot/wasm-crypto authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 /* eslint-disable camelcase */
diff --git a/packages/wasm-crypto/test/all/index.js b/packages/wasm-crypto/test/all/index.js
index e8ca33c0..6d40be02 100644
--- a/packages/wasm-crypto/test/all/index.js
+++ b/packages/wasm-crypto/test/all/index.js
@@ -1,4 +1,4 @@
-// Copyright 2019-2020 @polkadot/wasm-crypto authors & contributors
+// Copyright 2019-2021 @polkadot/wasm-crypto authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 const wasm = require('../../build/index');
diff --git a/packages/wasm-crypto/test/all/sr25519.js b/packages/wasm-crypto/test/all/sr25519.js
index 8e4a643d..cf4ec61d 100644
--- a/packages/wasm-crypto/test/all/sr25519.js
+++ b/packages/wasm-crypto/test/all/sr25519.js
@@ -1,4 +1,4 @@
-// Copyright 2019-2020 @polkadot/wasm-crypto authors & contributors
+// Copyright 2019-2021 @polkadot/wasm-crypto authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 /* eslint-disable camelcase */
diff --git a/packages/wasm-crypto/test/asm.js b/packages/wasm-crypto/test/asm.js
index 6d8542b6..1ac8a57f 100644
--- a/packages/wasm-crypto/test/asm.js
+++ b/packages/wasm-crypto/test/asm.js
@@ -1,4 +1,4 @@
-// Copyright 2019-2020 @polkadot/wasm-crypto authors & contributors
+// Copyright 2019-2021 @polkadot/wasm-crypto authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 global.WebAssembly = null;
diff --git a/packages/wasm-crypto/test/jest.spec.js b/packages/wasm-crypto/test/jest.spec.js
index 80f152da..d3c3ff82 100644
--- a/packages/wasm-crypto/test/jest.spec.js
+++ b/packages/wasm-crypto/test/jest.spec.js
@@ -1,4 +1,4 @@
-// Copyright 2019-2020 @polkadot/wasm-crypto authors & contributors
+// Copyright 2019-2021 @polkadot/wasm-crypto authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 /**
diff --git a/packages/wasm-crypto/test/wasm.js b/packages/wasm-crypto/test/wasm.js
index 6d9d5b81..085c4c1b 100644
--- a/packages/wasm-crypto/test/wasm.js
+++ b/packages/wasm-crypto/test/wasm.js
@@ -1,4 +1,4 @@
-// Copyright 2019-2020 @polkadot/wasm-crypto authors & contributors
+// Copyright 2019-2021 @polkadot/wasm-crypto authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 require('./alias-imports');
diff --git a/scripts/build-js.sh b/scripts/build-js.sh
index 07efa729..3c92f950 100755
--- a/scripts/build-js.sh
+++ b/scripts/build-js.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-# Copyright 2019-2020 @polkadot/wasm authors & contributors
+# Copyright 2019-2021 @polkadot/wasm authors & contributors
 # This software may be modified and distributed under the terms
 # of the Apache-2.0 license. See the LICENSE file for details.
 
diff --git a/scripts/build-wasm.sh b/scripts/build-wasm.sh
index ffde62e3..cb2775db 100755
--- a/scripts/build-wasm.sh
+++ b/scripts/build-wasm.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-# Copyright 2019-2020 @polkadot/wasm authors & contributors
+# Copyright 2019-2021 @polkadot/wasm authors & contributors
 # This software may be modified and distributed under the terms
 # of the Apache-2.0 license. See the LICENSE file for details.
 
diff --git a/scripts/build.sh b/scripts/build.sh
index 05a391b0..4b83ef99 100755
--- a/scripts/build.sh
+++ b/scripts/build.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-# Copyright 2019-2020 @polkadot/wasm authors & contributors
+# Copyright 2019-2021 @polkadot/wasm authors & contributors
 # This software may be modified and distributed under the terms
 # of the Apache-2.0 license. See the LICENSE file for details.
 
diff --git a/scripts/clean-js.sh b/scripts/clean-js.sh
index 400ff6fa..7b4c87b6 100755
--- a/scripts/clean-js.sh
+++ b/scripts/clean-js.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-# Copyright 2019-2020 @polkadot/wasm authors & contributors
+# Copyright 2019-2021 @polkadot/wasm authors & contributors
 # This software may be modified and distributed under the terms
 # of the Apache-2.0 license. See the LICENSE file for details.
 
diff --git a/scripts/clean.sh b/scripts/clean.sh
index 65c75ceb..a741a485 100755
--- a/scripts/clean.sh
+++ b/scripts/clean.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-# Copyright 2019-2020 @polkadot/wasm authors & contributors
+# Copyright 2019-2021 @polkadot/wasm authors & contributors
 # This software may be modified and distributed under the terms
 # of the Apache-2.0 license. See the LICENSE file for details.
 
diff --git a/scripts/install-build-deps.sh b/scripts/install-build-deps.sh
index f769decb..2f0ee39c 100755
--- a/scripts/install-build-deps.sh
+++ b/scripts/install-build-deps.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-# Copyright 2019-2020 @polkadot/wasm authors & contributors
+# Copyright 2019-2021 @polkadot/wasm authors & contributors
 # This software may be modified and distributed under the terms
 # of the Apache-2.0 license. See the LICENSE file for details.
 
diff --git a/scripts/pack-wasm-base.js b/scripts/pack-wasm-base.js
index 70ff725d..adf9fe80 100755
--- a/scripts/pack-wasm-base.js
+++ b/scripts/pack-wasm-base.js
@@ -1,4 +1,4 @@
-// Copyright 2019-2020 @polkadot/wasm authors & contributors
+// Copyright 2019-2021 @polkadot/wasm authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 const fs = require('fs');
@@ -8,7 +8,7 @@ const A_NAME = 'wasm-crypto-asmjs';
 const W_NAME = 'wasm-crypto-wasm';
 
 function hdr (package) {
-  return `// Copyright 2019-2020 @polkadot/${package} authors & contributors
+  return `// Copyright 2019-2021 @polkadot/${package} authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
 // Generated as part of the build, do not edit