diff --git a/.github/workflows/security-audit.yml b/.github/workflows/security-audit.yml
index 84d0b39b..b2e8d34c 100644
--- a/.github/workflows/security-audit.yml
+++ b/.github/workflows/security-audit.yml
@@ -32,7 +32,7 @@ jobs:
 
     - name: Setup Python (for backend)
       if: matrix.component == 'backend'
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         python-version: '3.12'