diff --git a/.github/workflows/ci_cd_pipeline.yml b/.github/workflows/ci_cd_pipeline.yml
index 9fab36a..2ef4123 100644
--- a/.github/workflows/ci_cd_pipeline.yml
+++ b/.github/workflows/ci_cd_pipeline.yml
@@ -37,7 +37,7 @@ jobs:
       matrix:
         test: [unit]
         os: [ubuntu-latest, windows-latest]
-        python-version: [3.8, 3.9, 3.10, 3.11]
+        python-version: ["3.8", "3.9", "3.10", "3.11"]
     runs-on: ${{ matrix.os }}
     continue-on-error: ${{ matrix.test == 'integration' }}
     steps: