diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 910cb69b..34ca4edf 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -16,7 +16,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macOS-latest]
-        python: ['3.10']
+        python: ['3.9']
         torch: ['1.13.0']
         torchvision: ['0.14.0']
     runs-on: ${{ matrix.os }}