diff --git a/.github/workflows/coverity.yml b/.github/workflows/coverity.yml
index d73d936f0..92bd3ebe4 100644
--- a/.github/workflows/coverity.yml
+++ b/.github/workflows/coverity.yml
@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install dependencies
         run: |
diff --git a/.github/workflows/differential-shellcheck.yml b/.github/workflows/differential-shellcheck.yml
index eb0516ce9..556bd1d7d 100644
--- a/.github/workflows/differential-shellcheck.yml
+++ b/.github/workflows/differential-shellcheck.yml
@@ -18,7 +18,7 @@ jobs:
 
     steps:
       - name: Repository checkout
-        uses: actions/checkout@2541b1294d2704b0964813337f33b291d3f8596b
+        uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index 053995208..67ea75e21 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -35,7 +35,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install dependencies
         run: brew install boost boost-build gcc@10 gmp llvm@14
diff --git a/.github/workflows/ubuntu.yml b/.github/workflows/ubuntu.yml
index 92361c41e..8aa1f459f 100644
--- a/.github/workflows/ubuntu.yml
+++ b/.github/workflows/ubuntu.yml
@@ -42,7 +42,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Determine default tool versions for Ubuntu ${{ matrix. version }}
         run: |
@@ -93,7 +93,7 @@ jobs:
       # FIXME: workaround for a git clone hang on Ubuntu 22.04 machines
       - name: '[Jammy + LLVM] Checkout passes repository'
         if: startsWith(matrix.host, 'llvm') && matrix.version == '22.04'
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           path: passes-src
           repository: VeriFIT/ProStatA