diff --git a/.github/workflows/ansi-x963-kdf.yml b/.github/workflows/ansi-x963-kdf.yml
index 15477ac..6d26856 100644
--- a/.github/workflows/ansi-x963-kdf.yml
+++ b/.github/workflows/ansi-x963-kdf.yml
@@ -29,7 +29,7 @@ jobs:
           - thumbv7em-none-eabi
           - wasm32-unknown-unknown
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ matrix.rust }}
@@ -44,7 +44,7 @@ jobs:
           - 1.85.0 # MSRV
           - stable
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ matrix.rust }}
diff --git a/.github/workflows/bake-kdf.yml b/.github/workflows/bake-kdf.yml
index 3be4794..e3b72ad 100644
--- a/.github/workflows/bake-kdf.yml
+++ b/.github/workflows/bake-kdf.yml
@@ -29,7 +29,7 @@ jobs:
           - thumbv7em-none-eabi
           - wasm32-unknown-unknown
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ matrix.rust }}
@@ -44,7 +44,7 @@ jobs:
           - 1.85.0 # MSRV
           - stable
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ matrix.rust }}
diff --git a/.github/workflows/hkdf.yml b/.github/workflows/hkdf.yml
index eae612c..cdeca38 100644
--- a/.github/workflows/hkdf.yml
+++ b/.github/workflows/hkdf.yml
@@ -29,7 +29,7 @@ jobs:
           - thumbv7em-none-eabi
           - wasm32-unknown-unknown
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: RustCrypto/actions/cargo-cache@master
       - uses: dtolnay/rust-toolchain@master
         with:
@@ -52,7 +52,7 @@ jobs:
           - 1.85.0 # MSRV
           - stable
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: RustCrypto/actions/cargo-cache@master
       - uses: dtolnay/rust-toolchain@master
         with:
diff --git a/.github/workflows/kbkdf.yml b/.github/workflows/kbkdf.yml
index 1b00ff8..32177a2 100644
--- a/.github/workflows/kbkdf.yml
+++ b/.github/workflows/kbkdf.yml
@@ -29,7 +29,7 @@ jobs:
           - thumbv7em-none-eabi
           - wasm32-unknown-unknown
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: RustCrypto/actions/cargo-cache@master
       - uses: dtolnay/rust-toolchain@master
         with:
@@ -51,7 +51,7 @@ jobs:
           - 1.85.0 # MSRV
           - stable
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: RustCrypto/actions/cargo-cache@master
       - uses: dtolnay/rust-toolchain@master
         with:
diff --git a/.github/workflows/one-step-kdf.yml b/.github/workflows/one-step-kdf.yml
index b96523f..8acab6b 100644
--- a/.github/workflows/one-step-kdf.yml
+++ b/.github/workflows/one-step-kdf.yml
@@ -29,7 +29,7 @@ jobs:
           - thumbv7em-none-eabi
           - wasm32-unknown-unknown
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ matrix.rust }}
@@ -44,7 +44,7 @@ jobs:
           - 1.85.0 # MSRV
           - stable
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ matrix.rust }}
diff --git a/.github/workflows/workspace.yml b/.github/workflows/workspace.yml
index fbcc45d..9f7e834 100644
--- a/.github/workflows/workspace.yml
+++ b/.github/workflows/workspace.yml
@@ -13,7 +13,7 @@ jobs:
   clippy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: RustCrypto/actions/cargo-cache@master
       - uses: dtolnay/rust-toolchain@master
         with:
@@ -25,7 +25,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Install stable toolchain
         uses: dtolnay/rust-toolchain@master
@@ -38,5 +38,5 @@ jobs:
   typos:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: crate-ci/typos@v1