diff --git a/CHANGELOG.md b/CHANGELOG.md
index a9bef2b15b0174f0fa1af877c0e4d108e71b5870..88e1610b367e42a43b11721b36edf3dd8df7f625 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Python Buildpack Changelog
 
+# 119
+
+Improvements to Pipenv support, warning on unsupported Python versions.
+
+- We now warn when a user is not using latest 2.x or 3.x Python.
+- Heroku now supports `[requires]` `python_full_version` in addition to `python_version`.
+
 # 118
 
 Improvements to Pipenv support.