CHANGELOG.md in attributor-2.2.0 vs CHANGELOG.md in attributor-2.2.1

@@ -2,10 +2,17 @@
 ============================
 
 next
 ------
 
-* next thing here
+
+2.2.1
+------
+
+* Dumping attributes will now load the values if they're not in the native type.
+* `Model.valid_type?` now accepts hashes.
+* `Hash`:
+  * Added `:has_key?` to delegation
 
 2.2.0
 ------
 
 * Fix example generation for Hash and Collection to handle a non-Array context parameter.