diff --git a/.github/workflows/auto-readme.yml b/.github/workflows/auto-readme.yml
index d1ca163..1df33d3 100644
--- a/.github/workflows/auto-readme.yml
+++ b/.github/workflows/auto-readme.yml
@@ -24,7 +24,7 @@ jobs:
   update:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Find default branch name
         id: defaultBranch
diff --git a/.github/workflows/test-negative.yml b/.github/workflows/test-negative.yml
index 05e22d9..b79bb0b 100644
--- a/.github/workflows/test-negative.yml
+++ b/.github/workflows/test-negative.yml
@@ -20,7 +20,7 @@ jobs:
     continue-on-error: true
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set outputs
         id: masked
diff --git a/.github/workflows/test-positive-secret-2.yml b/.github/workflows/test-positive-secret-2.yml
index 2f96065..c07da00 100644
--- a/.github/workflows/test-positive-secret-2.yml
+++ b/.github/workflows/test-positive-secret-2.yml
@@ -22,7 +22,7 @@ jobs:
     needs: [setup]
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set outputs
         id: masked
@@ -48,7 +48,7 @@ jobs:
     needs: [setup, test]
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - uses: ./
         id: masked-result
diff --git a/.github/workflows/test-positive.yml b/.github/workflows/test-positive.yml
index 3226bb9..1d6ec72 100644
--- a/.github/workflows/test-positive.yml
+++ b/.github/workflows/test-positive.yml
@@ -22,7 +22,7 @@ jobs:
     needs: [setup]
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set outputs
         id: masked
@@ -48,7 +48,7 @@ jobs:
     needs: [setup, test]
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - uses: ./
         id: masked-result