CHANGELOG.md in rspec-graphql_matchers-0.5 vs CHANGELOG.md in rspec-graphql_matchers-0.6

@@ -6,9 +6,15 @@
 
 ### New features
 
 ### Bug fixes
 
+## 0.6.0 (July 25, 2017)
+
+### New features
+
+  - (PR #6) New matchers for interfaces: `expect(...).to implement(interface)` (Thanks to @marcgreenstock).
+
 ## 0.5.0 (May 10, 2017)
 
 ### New features
 
   - (PR #4) New matchers for mutations: `have_an_input_field` and `have_a_return_field` (Thanks to @aaronklaassen).