CHANGES.md in rails-auth-2.2.0 vs CHANGES.md in rails-auth-2.2.1

@@ -1,4 +1,10 @@
+### 2.2.1 (2020-01-08)
+
+* [#63](https://github.com/square/rails-auth/pull/63)
+  Fix `FrozenError` in `permit` matcher description.
+  ([@drcapulet])
+
 ### 2.2.0 (2019-12-05)
 
 * [#55](https://github.com/square/rails-auth/pull/55)
   Allow dynamic injection of credentials.
   ([@drcapulet])