diff --git a/.github/workflows/python_ci.yml b/.github/workflows/python_ci.yml
index b89a1c0d..39335452 100644
--- a/.github/workflows/python_ci.yml
+++ b/.github/workflows/python_ci.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: "windows-2019"
     continue-on-error: ${{ matrix.config.experimental }}
     env:
-      USING_COVERAGE: '3.6,3.7,3.8,3.9,3.10.0-alpha.5'
+      USING_COVERAGE: '3.6,3.7,3.8,3.9,3.10.0-alpha.5,pypy-3.6'
 
     strategy:
       fail-fast: False
@@ -24,6 +24,7 @@ jobs:
           - {python-version: "3.8", testenvs: "py38,build", experimental: False}
           - {python-version: "3.9", testenvs: "py39,build", experimental: False}
           - {python-version: "3.10.0-alpha.5", testenvs: "py310-dev,build", experimental: True}
+          - {python-version: "pypy-3.6", testenvs: "pypy3,build", experimental: False}
 
     steps:
       - name: Checkout 🛎️
diff --git a/setup.py b/setup.py
index 63c57553..22053afe 100644
--- a/setup.py
+++ b/setup.py
@@ -2,6 +2,7 @@
 # This file is managed by 'repo_helper'. Don't edit it directly.
 
 # stdlib
+import shutil
 import sys
 
 # 3rd party
@@ -19,3 +20,5 @@
 		py_modules=[],
 		version=__version__,
 		)
+
+shutil.rmtree("repo_helper.egg-info", ignore_errors=True)