diff --git a/Readme.md b/Readme.md
index ee8ffaf87046a332c60c0253b5a46ace6550cac9..2d90fb105566b5d4d459b460272a651c38cf6054 100644
--- a/Readme.md
+++ b/Readme.md
@@ -49,6 +49,6 @@ Runtime options include:
 
 - `python-2.7.11`
 - `python-3.5.1`
-- `pypy-4.0.1` (unsupported, experimental)
+- `pypy-5.0.1` (unsupported, experimental)
 
 Other [unsupported runtimes](https://github.com/heroku/heroku-buildpack-python/tree/master/builds/runtimes) are available as well. Use at your own risk.