diff --git a/.github/workflows/on-demand-verification.yml b/.github/workflows/on-demand-verification.yml
index 0ebe6dd..ce6efe4 100644
--- a/.github/workflows/on-demand-verification.yml
+++ b/.github/workflows/on-demand-verification.yml
@@ -40,7 +40,7 @@ jobs:
     steps:
 
       - name: Checkout opencl-clang sources for action files availabilty
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Run build-opencl-clang action
         uses: ./.github/actions/build-opencl-clang
diff --git a/.github/workflows/on-push-verification.yml b/.github/workflows/on-push-verification.yml
index c871c99..58feb64 100644
--- a/.github/workflows/on-push-verification.yml
+++ b/.github/workflows/on-push-verification.yml
@@ -36,7 +36,7 @@ jobs:
     steps:
 
       - name: Checkout opencl-clang sources for action files
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Run build-opencl-clang action
         uses: ./.github/actions/build-opencl-clang
@@ -54,7 +54,7 @@ jobs:
     steps:
 
       - name: Checkout opencl-clang sources for action files
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       # This step will fail when the branch naming scheme 'ocl-open-XXX' changes!
       - name: Parse LLVM version from branch name
diff --git a/.github/workflows/scheduled-verification.yml b/.github/workflows/scheduled-verification.yml
index b798bdf..e13b5fd 100644
--- a/.github/workflows/scheduled-verification.yml
+++ b/.github/workflows/scheduled-verification.yml
@@ -21,7 +21,7 @@ jobs:
     steps:
 
       - name: Checkout opencl-clang sources for action files availabilty
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Run build-opencl-clang action
         uses: ./.github/actions/build-opencl-clang
@@ -39,7 +39,7 @@ jobs:
     steps:
 
       - name: Checkout opencl-clang sources for action files availabilty
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Run build-opencl-clang action
         uses: ./.github/actions/build-opencl-clang