diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index fc8a5ee1..180ff02b 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -43,7 +43,14 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: [ '3.9', '3.10', '3.11', '3.12', '3.13' ]
+        python-version:
+          - '3.9'
+          - '3.10'
+          - '3.11'
+          - '3.12'
+          - '3.13'
+          - 'pypy-3.9'
+          - 'pypy-3.10'
 
     steps:
     - name: Checkout