diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 579fc95..d1d9139 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,7 +18,7 @@ jobs:
     name: fmt + clippy
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - uses: dtolnay/rust-toolchain@29eef336d9b2848a0b548edc03f92a220660cdb8 # stable
         with:
           components: rustfmt, clippy
@@ -38,7 +38,7 @@ jobs:
           - { arch: aarch64, runner: ubuntu-24.04-arm }
     runs-on: ${{ matrix.runner }}
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - uses: dtolnay/rust-toolchain@29eef336d9b2848a0b548edc03f92a220660cdb8 # stable
       - uses: Swatinem/rust-cache@c19371144df3bb44fab255c43d04cbc2ab54d1c4 # v2.9.1
         with:
@@ -57,7 +57,7 @@ jobs:
     name: msrv (1.96)
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - uses: dtolnay/rust-toolchain@29eef336d9b2848a0b548edc03f92a220660cdb8 # pinned action; toolchain set below
         with:
           toolchain: "1.96.0"
@@ -70,7 +70,7 @@ jobs:
     name: build (wasm32)
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - uses: dtolnay/rust-toolchain@29eef336d9b2848a0b548edc03f92a220660cdb8 # stable
         with:
           targets: wasm32-unknown-unknown
@@ -86,7 +86,7 @@ jobs:
     name: rustdoc
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - uses: dtolnay/rust-toolchain@29eef336d9b2848a0b548edc03f92a220660cdb8 # stable
       - uses: Swatinem/rust-cache@c19371144df3bb44fab255c43d04cbc2ab54d1c4 # v2.9.1
         with:
@@ -97,7 +97,7 @@ jobs:
     name: cargo-deny
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - uses: dtolnay/rust-toolchain@29eef336d9b2848a0b548edc03f92a220660cdb8 # stable
       - uses: taiki-e/install-action@16b05812d776ae1dfaabc8277e421fb6d2506419 # v2
         with:
diff --git a/.github/workflows/fuzz.yml b/.github/workflows/fuzz.yml
index c8c00b4..827cc94 100644
--- a/.github/workflows/fuzz.yml
+++ b/.github/workflows/fuzz.yml
@@ -18,7 +18,7 @@ jobs:
     name: fuzz (restore)
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - uses: dtolnay/rust-toolchain@29eef336d9b2848a0b548edc03f92a220660cdb8 # pinned action; nightly set below
         with:
           toolchain: nightly
diff --git a/.github/workflows/mutants.yml b/.github/workflows/mutants.yml
index e9e5bc5..1b122d5 100644
--- a/.github/workflows/mutants.yml
+++ b/.github/workflows/mutants.yml
@@ -21,7 +21,7 @@ jobs:
     name: mutants (manual)
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           fetch-depth: 0 # need history to diff against the base
       - uses: dtolnay/rust-toolchain@29eef336d9b2848a0b548edc03f92a220660cdb8 # stable
diff --git a/.github/workflows/release-pr.yml b/.github/workflows/release-pr.yml
index 61e56ab..40d4c71 100644
--- a/.github/workflows/release-pr.yml
+++ b/.github/workflows/release-pr.yml
@@ -22,7 +22,7 @@ jobs:
     # Guard so a fork's manual dispatch is a no-op; only the canonical repo cuts releases.
     if: ${{ github.repository_owner == 'kassian-dev' }}
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           fetch-depth: 0 # release-plz needs full history to detect changes
 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 2e2e0a0..bc59468 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -33,7 +33,7 @@ jobs:
     # Guard so forks never publish; only the canonical repo releases.
     if: ${{ github.repository_owner == 'kassian-dev' }}
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           fetch-depth: 0 # release-plz needs full history to detect changes