CHANGELOG.md in hanny-0.2.0 vs CHANGELOG.md in hanny-0.2.1

@@ -1,4 +1,7 @@
+# 0.2.1
+- Remove dependent gem's type declaration file from installation files.
+
 # 0.2.0
 - Add type declaration files.
 - Refactor some codes with type check.
 - Fix some configuration files.