diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4bbe8c32012cf18d21b38d0493b7fd9637c1da17..e1229bee04d8ad36eddb1319fdbcebb6ce50f050 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -68,7 +68,7 @@ jobs:
         runs-on: ${{ matrix.os }}
         strategy:
             matrix:
-                python-version: ["3.8", "3.9", "3.x", "pypy3.8"]
+                python-version: ["3.8", "3.9", "3.x", "pypy3.9"]
                 os: [ubuntu-latest, macos-latest]
         steps:
         -   uses: actions/checkout@v4