diff --git a/.github/workflows/bindings.yml b/.github/workflows/bindings.yml
index d5b78b39d..c568e31ab 100644
--- a/.github/workflows/bindings.yml
+++ b/.github/workflows/bindings.yml
@@ -17,7 +17,7 @@ jobs:
     outputs:
       isBindings: ${{ steps.diff.outputs.isBindings }}
     steps:
-      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
       - name: Detect Changes
         uses: dorny/paths-filter@de90cc6fb38fc0963ad72b210f1f284cd68cea36 # v3.0.2
         id: diff
diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index d7d40e22c..13691bc15 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -46,7 +46,7 @@ jobs:
       CARGO_NET_RETRY: 10
       RUSTUP_MAX_RETRIES: 10
     steps:
-      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           ref: ${{ github.event.inputs.branch-or-commit || github.ref }}
 
diff --git a/.github/workflows/license.yml b/.github/workflows/license.yml
new file mode 100644
index 000000000..572ed5c39
--- /dev/null
+++ b/.github/workflows/license.yml
@@ -0,0 +1,18 @@
+name: License check
+
+on:
+  push:
+    branches: [develop]
+  pull_request:
+    types: [opened, synchronize, reopened, ready_for_review]
+
+concurrency:
+  group: license-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: ${{ github.ref != 'refs/heads/develop' }}
+
+jobs:
+  license-check:
+    runs-on: self-hosted-x64
+    steps:
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - run: cargo license-template --template .license_template
diff --git a/.license_template b/.license_template
new file mode 100644
index 000000000..05a39bcc0
--- /dev/null
+++ b/.license_template
@@ -0,0 +1,2 @@
+{(\/\/ Copyright.*\n)*?}// {(Modifications )?}Copyright (c) {20\d{2}(-20\d{2})?} IOTA Stiftung
+{(\/\/ Copyright.*\n)*}// SPDX-License-Identifier: Apache-2.0
diff --git a/crates/iota-sdk-transaction-builder/src/builder/client_methods.rs b/crates/iota-sdk-transaction-builder/src/builder/client_methods.rs
index c7889e76c..8d8e2a0f0 100644
--- a/crates/iota-sdk-transaction-builder/src/builder/client_methods.rs
+++ b/crates/iota-sdk-transaction-builder/src/builder/client_methods.rs
@@ -1,4 +1,4 @@
-// Copyright 2025 IOTA Stiftung
+// Copyright (c) 2025 IOTA Stiftung
 // SPDX-License-Identifier: Apache-2.0
 
 use iota_graphql_client::{
diff --git a/crates/iota-sdk-transaction-builder/src/builder/gas_station.rs b/crates/iota-sdk-transaction-builder/src/builder/gas_station.rs
index 4abc939f6..ad48344e7 100644
--- a/crates/iota-sdk-transaction-builder/src/builder/gas_station.rs
+++ b/crates/iota-sdk-transaction-builder/src/builder/gas_station.rs
@@ -1,4 +1,4 @@
-// Copyright 2025 IOTA Stiftung
+// Copyright (c) 2025 IOTA Stiftung
 // SPDX-License-Identifier: Apache-2.0
 
 use std::{str::FromStr, time::Duration};
diff --git a/crates/iota-sdk-transaction-builder/src/builder/mod.rs b/crates/iota-sdk-transaction-builder/src/builder/mod.rs
index f102b71ad..d262c562a 100644
--- a/crates/iota-sdk-transaction-builder/src/builder/mod.rs
+++ b/crates/iota-sdk-transaction-builder/src/builder/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2025 IOTA Stiftung
+// Copyright (c) 2025 IOTA Stiftung
 // SPDX-License-Identifier: Apache-2.0
 
 //! Builder for Programmable Transactions.
diff --git a/crates/iota-sdk-transaction-builder/src/builder/named_results.rs b/crates/iota-sdk-transaction-builder/src/builder/named_results.rs
index 9dfe73ec3..5674df21b 100644
--- a/crates/iota-sdk-transaction-builder/src/builder/named_results.rs
+++ b/crates/iota-sdk-transaction-builder/src/builder/named_results.rs
@@ -1,4 +1,4 @@
-// Copyright 2025 IOTA Stiftung
+// Copyright (c) 2025 IOTA Stiftung
 // SPDX-License-Identifier: Apache-2.0
 
 use crate::{builder::TransactionBuildData, unresolved::Argument};
diff --git a/crates/iota-sdk-transaction-builder/src/builder/ptb_arguments.rs b/crates/iota-sdk-transaction-builder/src/builder/ptb_arguments.rs
index 787a5f2c4..b8b4053a9 100644
--- a/crates/iota-sdk-transaction-builder/src/builder/ptb_arguments.rs
+++ b/crates/iota-sdk-transaction-builder/src/builder/ptb_arguments.rs
@@ -1,4 +1,4 @@
-// Copyright 2025 IOTA Stiftung
+// Copyright (c) 2025 IOTA Stiftung
 // SPDX-License-Identifier: Apache-2.0
 
 use iota_types::{ObjectId, ObjectReference};
diff --git a/crates/iota-sdk-transaction-builder/src/lib.rs b/crates/iota-sdk-transaction-builder/src/lib.rs
index cd802ed5c..2277197b8 100644
--- a/crates/iota-sdk-transaction-builder/src/lib.rs
+++ b/crates/iota-sdk-transaction-builder/src/lib.rs
@@ -1,4 +1,4 @@
-// Copyright 2025 IOTA Stiftung
+// Copyright (c) 2025 IOTA Stiftung
 // SPDX-License-Identifier: Apache-2.0
 
 //! # IOTA Transaction Builder
diff --git a/crates/iota-sdk-transaction-builder/src/types/mod.rs b/crates/iota-sdk-transaction-builder/src/types/mod.rs
index ae9efeaaf..e341121fb 100644
--- a/crates/iota-sdk-transaction-builder/src/types/mod.rs
+++ b/crates/iota-sdk-transaction-builder/src/types/mod.rs
@@ -1,4 +1,4 @@
-// Copyright 2025 IOTA Stiftung
+// Copyright (c) 2025 IOTA Stiftung
 // SPDX-License-Identifier: Apache-2.0
 
 //! Types for use with the transaction builder.
diff --git a/crates/iota-sdk-transaction-builder/src/types/move_arg.rs b/crates/iota-sdk-transaction-builder/src/types/move_arg.rs
index 512aef569..bd249cae9 100644
--- a/crates/iota-sdk-transaction-builder/src/types/move_arg.rs
+++ b/crates/iota-sdk-transaction-builder/src/types/move_arg.rs
@@ -1,4 +1,4 @@
-// Copyright 2025 IOTA Stiftung
+// Copyright (c) 2025 IOTA Stiftung
 // SPDX-License-Identifier: Apache-2.0
 
 use iota_types::Digest;
diff --git a/crates/iota-sdk-transaction-builder/src/types/move_type.rs b/crates/iota-sdk-transaction-builder/src/types/move_type.rs
index d73e2efc7..0839f8d43 100644
--- a/crates/iota-sdk-transaction-builder/src/types/move_type.rs
+++ b/crates/iota-sdk-transaction-builder/src/types/move_type.rs
@@ -1,4 +1,4 @@
-// Copyright 2025 IOTA Stiftung
+// Copyright (c) 2025 IOTA Stiftung
 // SPDX-License-Identifier: Apache-2.0
 
 use iota_types::TypeTag;
diff --git a/crates/iota-sdk-transaction-builder/src/unresolved.rs b/crates/iota-sdk-transaction-builder/src/unresolved.rs
index b8ea30769..48c547887 100644
--- a/crates/iota-sdk-transaction-builder/src/unresolved.rs
+++ b/crates/iota-sdk-transaction-builder/src/unresolved.rs
@@ -1,4 +1,4 @@
-// Copyright 2025 IOTA Stiftung
+// Copyright (c) 2025 IOTA Stiftung
 // SPDX-License-Identifier: Apache-2.0
 
 //! Types representing unresolved data in a PTB.
diff --git a/crates/iota-sdk-types/src/move_package.rs b/crates/iota-sdk-types/src/move_package.rs
index 70cfe77bf..6ccc1e74c 100644
--- a/crates/iota-sdk-types/src/move_package.rs
+++ b/crates/iota-sdk-types/src/move_package.rs
@@ -1,4 +1,4 @@
-// Copyright 2025 IOTA Stiftung
+// Copyright (c) 2025 IOTA Stiftung
 // SPDX-License-Identifier: Apache-2.0
 
 use crate::{Digest, ObjectId};