diff --git a/.github/workflows/master.yml b/.github/workflows/master.yml
index f8e7e6d3..995c2400 100644
--- a/.github/workflows/master.yml
+++ b/.github/workflows/master.yml
@@ -17,7 +17,7 @@ jobs:
     strategy:
       max-parallel: 2
       matrix:
-        python-version: ["3.9", "3.10", "3.11, "3.12"]
+        python-version: ["3.9", "3.10", "3.11", "3.12"]
     steps:
     - uses: actions/checkout@v4
       with: