diff --git a/.github/workflows/bandit-scan.yml b/.github/workflows/bandit-scan.yml
index 0fbfa02..3b12339 100644
--- a/.github/workflows/bandit-scan.yml
+++ b/.github/workflows/bandit-scan.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.9, 3.10, 3.11]  
+        python-version: ['3.9', '3.10', '3.11']
 
     steps:
     - name: Check out code