diff --git a/CHANGELOG.md b/CHANGELOG.md
index c26b765..592c2ab 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,11 @@
+# Gin ChangeLog
+
+## Gin v1.6.3
+
+### ENHANCEMENTS
+
+  * Improve performance: Change `*sync.RWMutex` to `sync.RWMutex` in context. [#2351](https://github.com/gin-gonic/gin/pull/2351)
+
 ## Gin v1.6.2
 
 ### BUFIXES
diff --git a/version.go b/version.go
index 883bdad..3e9687d 100644
--- a/version.go
+++ b/version.go
@@ -5,4 +5,4 @@
 package gin
 
 // Version is the current gin framework's version.
-const Version = "v1.6.2"
+const Version = "v1.6.3"