diff --git a/.github/workflows/bign-genk.yml b/.github/workflows/bign-genk.yml
index ce0bfba..943aa60 100644
--- a/.github/workflows/bign-genk.yml
+++ b/.github/workflows/bign-genk.yml
@@ -32,7 +32,7 @@ jobs:
           - 1.85.0 # MSRV
           - stable
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ matrix.rust }}
@@ -47,7 +47,7 @@ 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/dsa.yml b/.github/workflows/dsa.yml
index fc03c85..288bc1c 100644
--- a/.github/workflows/dsa.yml
+++ b/.github/workflows/dsa.yml
@@ -32,7 +32,7 @@ jobs:
           - 1.85.0 # MSRV
           - stable
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@master
         with:
           targets: ${{ matrix.target }}
@@ -57,7 +57,7 @@ jobs:
           git config --global core.autocrlf false
           git config --global core.eol lf
 
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ matrix.toolchain }}
diff --git a/.github/workflows/ecdsa.yml b/.github/workflows/ecdsa.yml
index 47fa3ff..e82355d 100644
--- a/.github/workflows/ecdsa.yml
+++ b/.github/workflows/ecdsa.yml
@@ -34,7 +34,7 @@ jobs:
           - 1.85.0 # MSRV
           - stable
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ matrix.rust }}
@@ -50,7 +50,7 @@ jobs:
           - 1.85.0 # MSRV
           - stable
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ matrix.rust }}
diff --git a/.github/workflows/ed25519.yml b/.github/workflows/ed25519.yml
index e9c7e4b..bd69a08 100644
--- a/.github/workflows/ed25519.yml
+++ b/.github/workflows/ed25519.yml
@@ -32,7 +32,7 @@ jobs:
           - 1.85.0 # MSRV
           - stable
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@master
         with:
           targets: ${{ matrix.target }}
@@ -51,7 +51,7 @@ jobs:
           - stable
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ matrix.toolchain }}
diff --git a/.github/workflows/ed448.yml b/.github/workflows/ed448.yml
index 046f9f7..aa09107 100644
--- a/.github/workflows/ed448.yml
+++ b/.github/workflows/ed448.yml
@@ -32,7 +32,7 @@ jobs:
           - 1.85.0 # MSRV
           - stable
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@master
         with:
           targets: ${{ matrix.target }}
@@ -51,7 +51,7 @@ jobs:
           - stable
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ matrix.toolchain }}
diff --git a/.github/workflows/lms.yml b/.github/workflows/lms.yml
index aeb908f..b605d56 100644
--- a/.github/workflows/lms.yml
+++ b/.github/workflows/lms.yml
@@ -30,7 +30,7 @@ jobs:
           - 1.85.0 # MSRV
           - stable
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ matrix.rust }}
diff --git a/.github/workflows/ml-dsa.yml b/.github/workflows/ml-dsa.yml
index c326a89..bcddcfb 100644
--- a/.github/workflows/ml-dsa.yml
+++ b/.github/workflows/ml-dsa.yml
@@ -31,7 +31,7 @@ jobs:
           - 1.85.0 # MSRV
           - stable
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@v6
         with:
           submodules: recursive
       - uses: dtolnay/rust-toolchain@master
@@ -55,7 +55,7 @@ jobs:
           - 1.85.0 # MSRV
           - stable
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ matrix.rust }}
diff --git a/.github/workflows/mutation-testing.yml b/.github/workflows/mutation-testing.yml
index e8af014..3c499b6 100644
--- a/.github/workflows/mutation-testing.yml
+++ b/.github/workflows/mutation-testing.yml
@@ -48,7 +48,7 @@ jobs:
           - package: ${{ github.event.inputs.package != 'all' && github.event.inputs.package != 'ml-dsa' && 'ml-dsa' || 'NONE' }}
           - package: ${{ github.event.inputs.package != 'all' && github.event.inputs.package != 'slh-dsa' && 'slh-dsa' || 'NONE' }}
     steps:
-      - uses: actions/checkout@0c366fd6a839edf440554fa01a7085ccba70ac98  # v4.2.2
+      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd  # v4.2.2
         with:
           persist-credentials: false
           submodules: recursive
diff --git a/.github/workflows/rfc6979.yml b/.github/workflows/rfc6979.yml
index 07685a9..90bb9ce 100644
--- a/.github/workflows/rfc6979.yml
+++ b/.github/workflows/rfc6979.yml
@@ -32,7 +32,7 @@ jobs:
           - 1.85.0 # MSRV
           - stable
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ matrix.rust }}
@@ -47,7 +47,7 @@ jobs:
           - 1.85.0 # MSRV
           - stable
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ matrix.rust }}
diff --git a/.github/workflows/security-audit.yml b/.github/workflows/security-audit.yml
index ce7b295..262f5e6 100644
--- a/.github/workflows/security-audit.yml
+++ b/.github/workflows/security-audit.yml
@@ -17,7 +17,7 @@ jobs:
     name: Security Audit
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: stable
diff --git a/.github/workflows/slh-dsa.yml b/.github/workflows/slh-dsa.yml
index 4338df3..1e458a5 100644
--- a/.github/workflows/slh-dsa.yml
+++ b/.github/workflows/slh-dsa.yml
@@ -35,7 +35,7 @@ jobs:
           - 1.85.0 # MSRV
           - stable
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ matrix.rust }}
@@ -58,7 +58,7 @@ jobs:
           - --all-features
           - default
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ matrix.rust }}
@@ -99,7 +99,7 @@ jobs:
           - --all-features
           - "default"
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@v6
       - run: mkdir -p ~/.cargo/bin
       - uses: taiki-e/install-action@nextest
       - name: Download test archive
diff --git a/.github/workflows/workspace.yml b/.github/workflows/workspace.yml
index ca743a1..f46e8da 100644
--- a/.github/workflows/workspace.yml
+++ b/.github/workflows/workspace.yml
@@ -21,7 +21,7 @@ jobs:
   rustfmt:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: stable
@@ -31,7 +31,7 @@ jobs:
   clippy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: 1.85.0
@@ -41,5 +41,5 @@ jobs:
   typos:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@v6
       - uses: crate-ci/typos@v1.44.0
diff --git a/.github/workflows/xmss.yml b/.github/workflows/xmss.yml
index bc6629f..0e50187 100644
--- a/.github/workflows/xmss.yml
+++ b/.github/workflows/xmss.yml
@@ -30,7 +30,7 @@ jobs:
           - 1.85.0 # MSRV
           - stable
     steps:
-      - uses: actions/checkout@v6.0.2
+      - uses: actions/checkout@v6
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ matrix.rust }}