diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3f77950..f043a22 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.10"]
+        python-version: ["3.10", "pypy3.10"]
     steps:
       - uses: actions/checkout@v2
       - name: Set up Python