CHANGELOG.md in contentful-2.15.2 vs CHANGELOG.md in contentful-2.15.3

@@ -1,8 +1,12 @@
 # Change Log
 
 ## Unreleased
 
+## 2.15.3
+### Fixed
+* Fixed a deprecation warning in Ruby 2.7.0 for `URI::escape` and replaced it with a backwards compatible mechanism. [#217](https://github.com/contentful/contentful.rb/issues/217)
+
 ## 2.15.2
 ### Fixed
 * Fixed unresolvable single linked entries and assets returning a JSON Link rather than being `nil`, the same way they are filtered from Link arrays.
 
 ## 2.15.1