diff --git a/CHANGELOG.md b/CHANGELOG.md
index 98785fbf..2a8ff378 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,10 +2,20 @@ Changelog
 ====
 
 
-[unreleased](https://github.com/koshigoe/brick_ftp/compare/v0.3.8...master)
+[unreleased](https://github.com/koshigoe/brick_ftp/compare/v0.4.0...master)
 ----
 
-[Full Changelog](https://github.com/koshigoe/brick_ftp/compare/v0.3.8...master)
+[Full Changelog](https://github.com/koshigoe/brick_ftp/compare/v0.4.0...master)
+
+### Enhancements:
+
+### Fixed Bugs:
+
+
+[0.4.0](https://github.com/koshigoe/brick_ftp/compare/v0.3.8...v0.4.0)
+----
+
+[Full Changelog](https://github.com/koshigoe/brick_ftp/compare/v0.3.8...v0.4.0)
 
 ### Enhancements:
 
diff --git a/lib/brick_ftp/version.rb b/lib/brick_ftp/version.rb
index 85b1af0a..fcb90e35 100644
--- a/lib/brick_ftp/version.rb
+++ b/lib/brick_ftp/version.rb
@@ -1,3 +1,3 @@
 module BrickFTP
-  VERSION = "0.3.8"
+  VERSION = "0.4.0"
 end