diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c323cbc..629943c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -35,7 +35,7 @@ jobs:
       # Third-party actions are pinned by SHA, with the tag in a trailing
       # comment so the version is still readable. A tag is a moving reference:
       # whoever can move it can run code in this job.
-      - uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Test
         uses: ./.github/actions/test
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 50e8592..50c5c6d 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -24,7 +24,7 @@ jobs:
     # runner's own timeout hours later.
     timeout-minutes: 20
     steps:
-      - uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           fetch-depth: 0