diff --git a/.github/workflows/ci_workflow.yml b/.github/workflows/ci_workflow.yml
index 3048ddd..1927199 100644
--- a/.github/workflows/ci_workflow.yml
+++ b/.github/workflows/ci_workflow.yml
@@ -12,7 +12,7 @@ jobs:
       TAP_PRODUCTBOARD_START_DATE: ${{secrets.TAP_PRODUCTBOARD_START_DATE}}
     strategy:
       matrix:
-        python-version: [3.9, 3.10, 3.11, 3.12, 3.13]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
 
     steps:
     - uses: actions/checkout@v4