diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index fdbbc18..5b8b2c9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -22,7 +22,7 @@ jobs:
     name: fmt, clippy, test, docs
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
       - uses: dtolnay/rust-toolchain@fa04a1451ff1842e2626ccb99004d0195b455a88 # master
         with:
           toolchain: stable
@@ -44,7 +44,7 @@ jobs:
     name: no_std build (bare metal)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
       - uses: dtolnay/rust-toolchain@fa04a1451ff1842e2626ccb99004d0195b455a88 # master
         with:
           toolchain: stable
@@ -56,7 +56,7 @@ jobs:
     name: minimum supported Rust (1.85)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
       - uses: dtolnay/rust-toolchain@fa04a1451ff1842e2626ccb99004d0195b455a88 # master
         with:
           toolchain: "1.85.0"
@@ -66,7 +66,7 @@ jobs:
     name: Conformance vectors
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
       - uses: dtolnay/rust-toolchain@fa04a1451ff1842e2626ccb99004d0195b455a88 # master
         with:
           toolchain: stable
diff --git a/.github/workflows/commit-lint.yml b/.github/workflows/commit-lint.yml
index cf847b9..e151f4a 100644
--- a/.github/workflows/commit-lint.yml
+++ b/.github/workflows/commit-lint.yml
@@ -12,7 +12,7 @@ jobs:
     name: Conventional Commits
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
         with:
           fetch-depth: 0
       - name: Check commit subjects follow Conventional Commits
diff --git a/.github/workflows/fuzz.yml b/.github/workflows/fuzz.yml
index f4a48f8..fc1aa1a 100644
--- a/.github/workflows/fuzz.yml
+++ b/.github/workflows/fuzz.yml
@@ -22,7 +22,7 @@ jobs:
       matrix:
         target: [decode_total, roundtrip, sentinel]
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
       - uses: dtolnay/rust-toolchain@fa04a1451ff1842e2626ccb99004d0195b455a88 # master
         with:
           toolchain: nightly
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 72ba85a..0ff2107 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -22,7 +22,7 @@ jobs:
       id-token: write # required for the OIDC token exchange
       contents: read
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
       - uses: dtolnay/rust-toolchain@fa04a1451ff1842e2626ccb99004d0195b455a88 # master
         with:
           toolchain: stable