diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index be21d5c..f0acba9 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -22,7 +22,7 @@ jobs:
         shell: bash
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - id: without-parameters
         uses: ./
@@ -49,7 +49,7 @@ jobs:
     timeout-minutes: 5
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - id: without-parameters
         uses: ./
diff --git a/action.yml b/action.yml
index e6873d7..88a6694 100644
--- a/action.yml
+++ b/action.yml
@@ -26,7 +26,7 @@ runs:
         extensions: ast
 
     # paths
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         ref: ${{ github.head_ref }}
     - name: Download util.php