diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 345c05f..40c1658 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744
+      - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608
 
       - name: "Set up HLint"
         uses: rwe/actions-hlint-setup@9f5da5e7cd43663fb7b2e2154a087c17f0471ed1
@@ -27,7 +27,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744
+      - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608
 
       - name: "Check formatting with Fourmolu"
         uses: fourmolu/fourmolu-action@5f705691205a8e6efb36c043d7b461ecb97ee082
@@ -41,7 +41,7 @@ jobs:
       CONFIG: "--enable-tests --enable-benchmarks"
 
     steps:
-      - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744
+      - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608
       - uses: haskell/actions/setup@a99601b177e00b98c78b6f6de680a101cf1c619d
         id: setup-haskell-cabal
         with:
diff --git a/.github/workflows/code-scanning.yml b/.github/workflows/code-scanning.yml
index ed3d6a1..9628255 100644
--- a/.github/workflows/code-scanning.yml
+++ b/.github/workflows/code-scanning.yml
@@ -23,7 +23,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744
+        uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608
 
       - name: Run Hadolint
         uses: hadolint/hadolint-action@54c9adbab1582c2ef04b2016b760714a4bfde3cf
@@ -48,7 +48,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744
+        uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608
 
       - name: Build an image from Dockerfile
         run: |
diff --git a/.github/workflows/scorecards.yml b/.github/workflows/scorecards.yml
index e9457fa..052d2dd 100644
--- a/.github/workflows/scorecards.yml
+++ b/.github/workflows/scorecards.yml
@@ -28,7 +28,7 @@ jobs:
 
     steps:
       - name: "Checkout code"
-        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # tag=v3.0.0
+        uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # tag=v3.0.0
         with:
           persist-credentials: false