diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 0b27587..2fc6cd7 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.7", "3.8", "3.9"]
+        python-version: ["3.7"]
 
     steps:
       - uses: actions/checkout@v3