update changelog

yrodnin · yrodnin · commit 233e0f417bba · 2020-09-04T11:37:59.000+03:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -6,7 +6,7 @@
 
 #### Fixes
 
-* Your contribution here.
+* [#338](https://github.com/ruby-grape/grape-entity/pull/338): Fix ruby 2.7 deprecation warning - [@begotten63](https://github.com/begotten63).
 
 ### 0.8.1 (2020-07-15)
 
