diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index e3e9246..920bf4c 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -7,8 +7,7 @@ jobs:
     strategy:
       matrix:
         os: ["ubuntu-latest"]
-        python-version: ["3.10"]
-
+        python-version: ["3.9", "3.10", "3.11"]
     steps:
       - uses: actions/checkout@v2
       - name: Cache conda