diff --git a/.travis.yml b/.travis.yml
index 865f8fa..48f6882 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,6 +9,7 @@ python:
 - '3.9'
 - 3.10-dev
 - nightly
+- pypy
 - pypy3
 addons:
   apt: