diff --git a/.github/workflows/ghash.yml b/.github/workflows/ghash.yml
index 9d27591..0bfba72 100644
--- a/.github/workflows/ghash.yml
+++ b/.github/workflows/ghash.yml
@@ -32,7 +32,7 @@ jobs:
           - thumbv7em-none-eabi
           - wasm32-unknown-unknown
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ matrix.rust }}
@@ -42,7 +42,7 @@ jobs:
   benches:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: nightly
@@ -56,7 +56,7 @@ jobs:
           - 1.85.0 # MSRV
           - stable
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v7
     - uses: dtolnay/rust-toolchain@master
       with:
         toolchain: ${{ matrix.rust }}
diff --git a/.github/workflows/poly1305.yml b/.github/workflows/poly1305.yml
index c68f920..e78874d 100644
--- a/.github/workflows/poly1305.yml
+++ b/.github/workflows/poly1305.yml
@@ -32,7 +32,7 @@ jobs:
           - thumbv7em-none-eabi
           - wasm32-unknown-unknown
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ matrix.rust }}
@@ -61,7 +61,7 @@ jobs:
           - target: x86_64-unknown-linux-gnu
             rust: stable
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ matrix.rust }}
@@ -94,7 +94,7 @@ jobs:
           - target: x86_64-unknown-linux-gnu
             rust: stable
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ matrix.rust }}
@@ -127,7 +127,7 @@ jobs:
           - target: x86_64-unknown-linux-gnu
             rust: stable
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ matrix.rust }}
@@ -148,7 +148,7 @@ jobs:
 
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - run: ${{ matrix.deps }}
       - uses: dtolnay/rust-toolchain@master
         with:
diff --git a/.github/workflows/polyval.yml b/.github/workflows/polyval.yml
index 1ac5450..64f85f7 100644
--- a/.github/workflows/polyval.yml
+++ b/.github/workflows/polyval.yml
@@ -25,7 +25,7 @@ jobs:
   build-no-std:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: stable
@@ -68,7 +68,7 @@ jobs:
             runner: macos-latest
     runs-on: ${{ matrix.runner != '' && matrix.runner || 'ubuntu-latest' }}
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ matrix.rust }}
@@ -101,7 +101,7 @@ jobs:
           - target: x86_64-unknown-linux-gnu
             rust: stable
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ matrix.rust }}
@@ -134,7 +134,7 @@ jobs:
           - target: x86_64-unknown-linux-gnu
             rust: stable
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ matrix.rust }}
@@ -154,7 +154,7 @@ jobs:
           - target: powerpc-unknown-linux-gnu   # PPC32 (big endian)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - run: ${{ matrix.deps }}
       - uses: dtolnay/rust-toolchain@master
         with:
@@ -176,7 +176,7 @@ jobs:
           - aarch64-unknown-linux-gnu
           - x86_64-unknown-linux-gnu
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: dtolnay/rust-toolchain@stable
         with:
           toolchain: nightly-2026-02-11 # pinned due to rust-lang/miri#4855
@@ -189,7 +189,7 @@ jobs:
     env:
       CARGO_TARGET_WASM32_WASIP1_RUNNER: "wasmtime"
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: bytecodealliance/actions/wasmtime/setup@v1
       - uses: dtolnay/rust-toolchain@master
         with:
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index eabbc76..670ee20 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -14,7 +14,7 @@ jobs:
     permissions:
       id-token: write
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: rust-lang/crates-io-auth-action@v1
         id: auth
 
diff --git a/.github/workflows/security-audit.yml b/.github/workflows/security-audit.yml
index 349c69e..7fb2e99 100644
--- a/.github/workflows/security-audit.yml
+++ b/.github/workflows/security-audit.yml
@@ -15,7 +15,7 @@ jobs:
     name: Security Audit
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: stable
diff --git a/.github/workflows/workspace.yml b/.github/workflows/workspace.yml
index 1063449..ff96155 100644
--- a/.github/workflows/workspace.yml
+++ b/.github/workflows/workspace.yml
@@ -17,7 +17,7 @@ jobs:
   clippy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: 1.93.0
@@ -28,7 +28,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: Install stable toolchain
         uses: dtolnay/rust-toolchain@master
@@ -41,7 +41,7 @@ jobs:
   benches:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: nightly