diff --git a/.github/workflows/security-testing.yml b/.github/workflows/security-testing.yml
index 68e9a94..e12efbd 100644
--- a/.github/workflows/security-testing.yml
+++ b/.github/workflows/security-testing.yml
@@ -42,7 +42,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Node.js
         uses: actions/setup-node@v4
@@ -198,7 +198,7 @@ jobs:
     
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Node.js
         uses: actions/setup-node@v4
@@ -226,7 +226,7 @@ jobs:
     
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0