diff --git a/CHANGELOG.md b/CHANGELOG.md
index de3fc6b..527fedc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,17 @@
 # Changelog
 
+## v0.5.0
+
+### Enhancements
+
+- Added opening streams and outputting to a stream [#66](https://github.com/ruby-docx/docx/pull/66)
+- Added supports for Office 365 files [#85](https://github.com/ruby-docx/docx/pull/85)
+
+### Bug fixes
+
+- `Docx::Document` handles a docx file without styles.xml [#81](https://github.com/ruby-docx/docx/pull/81)
+- Fixes insert text before after were switched [#84](https://github.com/ruby-docx/docx/pull/84)
+
 ## v0.4.0
 
 ### Enhancements
diff --git a/lib/docx/version.rb b/lib/docx/version.rb
index 4278bc2..5ef61d0 100644
--- a/lib/docx/version.rb
+++ b/lib/docx/version.rb
@@ -1,3 +1,3 @@
 module Docx #:nodoc:
-  VERSION = '0.4.0'
+  VERSION = '0.5.0'
 end