diff --git a/README.md b/README.md
index ad892b2..1888b75 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Setup Cloud Formation Linter with Latest Version
         uses: scottbrenner/cfn-lint-action@v2
@@ -51,7 +51,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Testing with CFN Lint Command
         uses: scottbrenner/cfn-lint-action@v2