diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 118474e..55dc1ba 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -24,7 +24,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     timeout-minutes: 30
     steps:
-      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - uses: dtolnay/rust-toolchain@6c977a6ca4077a0ceb28ffbe03f59d46e9ac8772
         with:
           toolchain: ${{ matrix.rust }}
@@ -37,7 +37,7 @@ jobs:
     runs-on: ubuntu-24.04
     timeout-minutes: 15
     steps:
-      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: Build deterministic source archive twice
         run: |
           set -euo pipefail
diff --git a/.github/workflows/fuzz.yml b/.github/workflows/fuzz.yml
index e252e58..eba6661 100644
--- a/.github/workflows/fuzz.yml
+++ b/.github/workflows/fuzz.yml
@@ -30,7 +30,7 @@ jobs:
           - target: bundle
             max_len: 4096
     steps:
-      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - uses: dtolnay/rust-toolchain@6c977a6ca4077a0ceb28ffbe03f59d46e9ac8772 # master, pinned 2026-09-03
         with:
           toolchain: nightly-2026-08-18