diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b17755f..db38189 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -37,7 +37,7 @@ jobs:
         runs-on: [ubuntu-latest, macos-13, windows-latest]
 
         include:
-        - python-version: pypy-3.9
+        - python-version: pypy-3.8
           runs-on: ubuntu-latest