diff --git a/.github/workflows/action-test.yml b/.github/workflows/action-test.yml
index 4ba6b7e..9ee6c4b 100644
--- a/.github/workflows/action-test.yml
+++ b/.github/workflows/action-test.yml
@@ -33,7 +33,7 @@ jobs:
     timeout-minutes: 15
     steps:
       - name: Check out repository
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
       # Local development does not require Docker; this job is the canonical
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7ddebe4..ecba41b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,7 +21,7 @@ jobs:
     timeout-minutes: 15
     steps:
       - name: Check out repository
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
       - name: Set up Python
@@ -62,7 +62,7 @@ jobs:
         python-version: ["3.10", "3.11", "3.12", "3.13"]
     steps:
       - name: Check out repository
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
       - name: Set up Python
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 00d0898..3dd2559 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -17,7 +17,7 @@ jobs:
       contents: read
     steps:
       - name: Check out repository
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
       - name: Set up Python