diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 76e291b..fe0eecf 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -26,6 +26,7 @@ jobs:
           - "3.9"
           - "3.10"
           - "3.11"
+          - "pypy-2.7"
           - "pypy-3.7"
 
     steps: