diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0bebae9..1dee105 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,4 @@
-## v0.4.0-dev
+## v0.4.0
 * Display CORS request by default (issue #42)
 * Add short flags support (@dnguy078, issue #49)
 * Display request headers in a sorted way on the client (@waleoyediran, issue #47)
diff --git a/cmd/httplab/main.go b/cmd/httplab/main.go
index 34db079..2dc936a 100644
--- a/cmd/httplab/main.go
+++ b/cmd/httplab/main.go
@@ -15,7 +15,7 @@ import (
 	flag "github.com/spf13/pflag"
 )
 
-const VERSION = "v0.4.0-dev"
+const VERSION = "v0.4.0"
 
 func NewHandler(ui *ui.UI, g *gocui.Gui) http.Handler {
 	fn := func(w http.ResponseWriter, req *http.Request) {