diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 340ddded..25180b90 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -119,7 +119,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        python-version: 3.11
+        python-version: [3.11]
 
     steps:
       - name: Remove unused software