diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 8ad846a84580a397c4b451643c401b80e5d2e438..28c3479b5199d7326919b7c840019c279eff55d3 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -9,7 +9,7 @@ jobs:
     strategy:
       matrix:
         python-version:
-          - "2.7"
+          - "3.9"
 
     steps:
     # Avoid letting Windows newlines confusing milksnake.