diff --git a/CHANGELOG.md b/CHANGELOG.md
index d797f33..d9110fb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,17 @@
 # Changelog
 All changes to the project will be documented in this file.
 
+## 4.20.0 - 23 Dec 2017
+
+- Squash and rebase merge strategy for pull requests
+- Quick pull request creation
+- Download patch from the diff view
+- Fork and create repository are proceeded asynchronously
+- Create new repository by copying existing git repository
+- Hide overflowed repository names in the sidebar
+- Support CreateEvent web hook
+- Display conflicting files if pull request can't be merged
+
 ## 4.19.3 - 7 Dec 2017
 
 - Fix file uploading bug
diff --git a/README.md b/README.md
index 70edde5..53472b4 100644
--- a/README.md
+++ b/README.md
@@ -73,9 +73,9 @@
 
 ### 4.20.0 - 23 Dec 2017
 
-- Download patch from the diff view
-- Quick pull request creation
 - Squash and rebase merge strategy for pull requests
+- Quick pull request creation
+- Download patch from the diff view
 - Fork and create repository are proceeded asynchronously
 - Create new repository by copying existing git repository
 - Hide overflowed repository names in the sidebar