diff --git a/.drone.star b/.drone.star
index 0f18acf..313d06c 100644
--- a/.drone.star
+++ b/.drone.star
@@ -34,7 +34,7 @@ def run_tests():
             tox_step("python:3.9"),
             tox_step("python:3.10"),
             tox_step("python:3"),
-            tox_step("pypy:3.6", "pypy3", "pypy3"),
+            tox_step("pypy:3.9", "pypy3", "pypy3"),
             tox_step("pypy:3", "pypy3", "pypy3"),
             notify_step(),
         ],