diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
index f0138bd..62abdff 100644
--- a/.github/workflows/security.yml
+++ b/.github/workflows/security.yml
@@ -63,7 +63,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v3
     - working-directory: ./backend
       run: |
         python -m pip install --upgrade pip