diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index e0fa9ae..b9f272e 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -13,7 +13,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [3.6, 3.7, 3.8, 3.9, 3.10, 3.11, 3.12]
+        python-version: ["3.6", "3.7", "3.8", "3.9", "3.10", "3.11", "3.12"]
     steps:
       - name: Checkout
         uses: actions/checkout@v4