diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index eb70459f..6f27ee47 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -8,7 +8,7 @@ jobs:
     strategy:
       max-parallel: 3
       matrix:
-        python-version: ['3.7']
+        python-version: ['3.9']
 
     steps:
       - name: checkout