diff --git a/.github/workflows/shellcheck.yml b/.github/workflows/shellcheck.yml
index 5b4bb87..5666a8f 100644
--- a/.github/workflows/shellcheck.yml
+++ b/.github/workflows/shellcheck.yml
@@ -7,7 +7,7 @@ jobs:
     name: Shellcheck
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Run ShellCheck
       uses: ludeeus/action-shellcheck@master
       env:
diff --git a/.github/workflows/tflint.yml b/.github/workflows/tflint.yml
index 710e913..c48c458 100644
--- a/.github/workflows/tflint.yml
+++ b/.github/workflows/tflint.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       name: Checkout source code
 
     - uses: actions/cache@v3
diff --git a/.github/workflows/tfsec.yml b/.github/workflows/tfsec.yml
index 4b313f8..1218c43 100644
--- a/.github/workflows/tfsec.yml
+++ b/.github/workflows/tfsec.yml
@@ -24,7 +24,7 @@ jobs:
 
     steps:
       - name: Clone repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Run tfsec
         uses: aquasecurity/tfsec-sarif-action@21ded20e8ca120cd9d3d6ab04ef746477542a608