diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7aee4e2..56c2b5b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Python Buildpack Changelog
 
+## v83
+
+- Cffi support for argon2
+
 ## v82 (2016-08-22)
 
 Update to library detection mechnisms (pip-pop).