diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index 538f5aa..202d8e9 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -37,7 +37,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
 
       - name: Install Poetry
         run: pipx install "poetry==${POETRY_VERSION}"
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 0a5801c..eca5beb 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -24,7 +24,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
 
       - name: Initialize CodeQL
         uses: github/codeql-action/init@5e316336eb4f107009e477d4bfbfff13d7250fae
diff --git a/.github/workflows/commit.yml b/.github/workflows/commit.yml
index 75326cd..97e6415 100644
--- a/.github/workflows/commit.yml
+++ b/.github/workflows/commit.yml
@@ -37,7 +37,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
         with:
           # Full history is required to inspect the full pushed commit range.
           fetch-depth: 0
@@ -131,7 +131,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
 
       - name: Install Poetry
         run: pipx install "poetry==${POETRY_VERSION}"
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 9f2a291..d93c929 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -80,7 +80,7 @@ jobs:
           echo "release_actor='$ACTOR' is trusted."
 
       - name: Checkout release tag
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
         with:
           ref: refs/tags/${{ github.event.release.tag_name }}
           fetch-depth: 0
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 66e6c60..c55a5cc 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -36,7 +36,7 @@ jobs:
           private-key: ${{ secrets.APP_PRIVATE_KEY }}
 
       - name: Checkout repository metadata
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
         with:
           fetch-depth: 0
           token: ${{ steps.app-token.outputs.token }}
diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
index 7030a6f..c82c092 100644
--- a/.github/workflows/security.yml
+++ b/.github/workflows/security.yml
@@ -36,7 +36,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
 
       - name: Install Poetry
         run: pipx install "poetry==${POETRY_VERSION}"
diff --git a/.github/workflows/verify.yml b/.github/workflows/verify.yml
index 5dd45a3..e2e1646 100644
--- a/.github/workflows/verify.yml
+++ b/.github/workflows/verify.yml
@@ -39,7 +39,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
 
       - name: Install Poetry
         run: pipx install "poetry==${POETRY_VERSION}"
@@ -64,7 +64,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
 
       - name: Install Poetry
         run: pipx install "poetry==${POETRY_VERSION}"
@@ -89,7 +89,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
 
       - name: Install Poetry
         run: pipx install "poetry==${POETRY_VERSION}"