diff --git a/.github/workflows/codeql.yaml b/.github/workflows/codeql.yaml
index 6e4ac0a0..fce654e6 100644
--- a/.github/workflows/codeql.yaml
+++ b/.github/workflows/codeql.yaml
@@ -48,7 +48,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
+      uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4.0.0
       with:
         ref: ${{ github.event.pull_request.head.sha }}
         repository: ${{ github.event.pull_request.head.repo.full_name }}
diff --git a/.github/workflows/coverage.yaml b/.github/workflows/coverage.yaml
index e62285a9..2a0c792e 100644
--- a/.github/workflows/coverage.yaml
+++ b/.github/workflows/coverage.yaml
@@ -54,7 +54,7 @@ jobs:
       - run: pip install nox coverage
 
       - name: Checkout base branch
-        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
+        uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4.0.0
         with:
           ref: ${{ github.base_ref }}
 
@@ -67,7 +67,7 @@ jobs:
           coverage erase
 
       - name: Checkout PR branch
-        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
+        uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4.0.0
         with:
           ref: ${{ github.event.pull_request.head.sha }}
           repository: ${{ github.event.pull_request.head.repo.full_name }}
diff --git a/.github/workflows/labels.yaml b/.github/workflows/labels.yaml
index 45893e99..009f3cb0 100644
--- a/.github/workflows/labels.yaml
+++ b/.github/workflows/labels.yaml
@@ -28,7 +28,7 @@ jobs:
       issues: write
       pull-requests: write
     steps:
-      - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
+      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4.0.0
       - uses: micnncim/action-label-syncer@3abd5ab72fda571e69fffd97bd4e0033dd5f495c # v1.3.0
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/lint.yaml b/.github/workflows/lint.yaml
index 3e778dca..0fda840f 100644
--- a/.github/workflows/lint.yaml
+++ b/.github/workflows/lint.yaml
@@ -55,7 +55,7 @@ jobs:
         run: pip install nox
 
       - name: Checkout code
-        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
+        uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4.0.0
         with:
           ref: ${{ github.event.pull_request.head.sha }}
           repository: ${{ github.event.pull_request.head.repo.full_name }}
diff --git a/.github/workflows/scorecard.yaml b/.github/workflows/scorecard.yaml
index 3bc24eeb..1863c851 100644
--- a/.github/workflows/scorecard.yaml
+++ b/.github/workflows/scorecard.yaml
@@ -35,7 +35,7 @@ jobs:
 
     steps:
       - name: "Checkout code"
-        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
+        uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4.0.0
         with:
           persist-credentials: false
 
diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index 12a15e04..eb7e3af8 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -61,7 +61,7 @@ jobs:
             }
 
       - name: Checkout code
-        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
+        uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4.0.0
         with:
           ref: ${{ github.event.pull_request.head.sha }}
           repository: ${{ github.event.pull_request.head.repo.full_name }}
@@ -139,7 +139,7 @@ jobs:
             }
 
       - name: Checkout code
-        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
+        uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4.0.0
         with:
           ref: ${{ github.event.pull_request.head.sha }}
           repository: ${{ github.event.pull_request.head.repo.full_name }}