diff --git a/version.go b/version.go
index 0bce5e04..028caebe 100644
--- a/version.go
+++ b/version.go
@@ -5,4 +5,4 @@
 package gin
 
 // Version is the current gin framework's version.
-const Version = "v1.5.0-dev"
+const Version = "v1.4.0-dev"