diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 20046a3..c55105c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,7 +17,7 @@ jobs:
         os: [ubuntu-latest, windows-latest, macos-latest]
         python: ["3.10", "3.11", "3.12", "3.13"]
     steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
       - uses: astral-sh/setup-uv@d0cc045d04ccac9d8b7881df0226f9e82c39688e # v6
         with:
           python-version: ${{ matrix.python }}
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index d746843..07191ef 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -19,7 +19,7 @@ jobs:
       contents: read
       security-events: write
     steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
       - uses: github/codeql-action/init@02c5e83432fe5497fd85b873b6c9f16a8578e1d9 # v3
         with:
           languages: python
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 89e2561..9e94129 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -17,7 +17,7 @@ jobs:
       id-token: write   # OIDC for Trusted Publishing + PEP 740 attestations
       contents: read
     steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
       - uses: astral-sh/setup-uv@d0cc045d04ccac9d8b7881df0226f9e82c39688e # v6
       - run: uv build
       - uses: pypa/gh-action-pypi-publish@cef221092ed1bacb1cc03d23a2d87d1d172e277b # release/v1
@@ -28,7 +28,7 @@ jobs:
     permissions:
       contents: write   # create the GitHub Release
     steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
       - uses: softprops/action-gh-release@3bb12739c298aeb8a4eeaf626c5b8d85266b0e65 # v2
         with:
           generate_release_notes: true
diff --git a/.github/workflows/scorecard.yml b/.github/workflows/scorecard.yml
index d24d28c..3efdb89 100644
--- a/.github/workflows/scorecard.yml
+++ b/.github/workflows/scorecard.yml
@@ -17,7 +17,7 @@ jobs:
       security-events: write   # upload the SARIF result
       id-token: write          # publish results to the OpenSSF API (badge)
     steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
       - uses: ossf/scorecard-action@4eaacf0543bb3f2c246792bd56e8cdeffafb205a # v2.4.3