diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7b4e7ffcb..e8e3ce8ec 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-20.04
     strategy:
       matrix:
-        python-version: [ 3.6, 3.7, 3.8 ]
+        python-version: [ 3.6, 3.7, 3.8, pypy3 ]
 
     services:
       postgres: