diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 9bce218..cc3586b 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -5,7 +5,7 @@ jobs:
   testWithOwnerAndBranch:  # will create a pr to update existing file
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: sync
         uses: ./
         with:
@@ -28,7 +28,7 @@ jobs:
   testUpdate:  # will create a pr to update existing file
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: sync
         uses: ./
         with:
@@ -45,7 +45,7 @@ jobs:
   testCopy:  # will create a pr to copy over a new file
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: sync
         uses: ./
         with:
@@ -69,7 +69,7 @@ jobs:
   testDelete:  # will create a pr to delete file from dst
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: sync
         uses: ./
         with:
@@ -102,7 +102,7 @@ jobs:
   testUpdateWithExistingBranch:  # will update existing branch/pr
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: sync
         uses: ./
         with:
@@ -126,7 +126,7 @@ jobs:
   testUpdateDir:  # will create a pr to update existing file
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: sync
         uses: ./
         with:
@@ -143,7 +143,7 @@ jobs:
   testCopyWithSubdir:  # will create a pr to copy over a new file and creating the subdir's
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: sync
         uses: ./
         with:
diff --git a/action.yaml b/action.yaml
index b043bb3..1257e7d 100644
--- a/action.yaml
+++ b/action.yaml
@@ -32,7 +32,7 @@ runs:
   using: "composite"
   steps:
     # two phases: fetch, sync
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
       with:
         clean: false
         persist-credentials: false