update CHANGELOG

ebuchman · ebuchman · commit bd07eb397a9c · 2017-06-02T00:52:02.000-04:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## 0.2.1 (June 2, 2017)
+
+IMPROVEMENTS:
+- Add version number to the source code
+- Update dependencies
+
 ## 0.2.0 (May 18, 2017)
 
 Merge in the IAVL tree from `go-merkle` and update import paths for new `tmlibs`
