diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index dda5934..b610334 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
       - uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
       - uses: astral-sh/ruff-action@4919ec5cf1f49eff0871dbcea0da843445b837e6 # v3
       - uses: astral-sh/ruff-action@4919ec5cf1f49eff0871dbcea0da843445b837e6 # v3
diff --git a/.github/workflows/docs.yaml b/.github/workflows/docs.yaml
index b490291..2fca6b1 100644
--- a/.github/workflows/docs.yaml
+++ b/.github/workflows/docs.yaml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
         with:
           fetch-depth: 0
       - uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
diff --git a/.github/workflows/release-please.yaml b/.github/workflows/release-please.yaml
index 0020812..833f1d8 100644
--- a/.github/workflows/release-please.yaml
+++ b/.github/workflows/release-please.yaml
@@ -16,7 +16,7 @@ jobs:
     outputs:
       prs: ${{ steps.release-please.outputs.prs }}
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - uses: actions/create-github-app-token@bcd2ba49218906704ab6c1aa796996da409d3eb1 # v3.2.0
         id: generate-token
         with:
@@ -42,7 +42,7 @@ jobs:
           app-id: ${{ secrets.CSDA_RELEASE_BOT_CLIENT_ID }}
           private-key: ${{ secrets.CSDA_RELEASE_BOT_PRIVATE_KEY }}
       - name: Checkout PR branch
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           token: ${{ steps.generate-token.outputs.token }}
           ref: ${{ fromJSON(needs.release-please.outputs.prs)[0].headBranchName }}