diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2e67b03e3..6dec0cceb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,4 @@
-## 0.4.0 (unreleased)
+## 0.4.0 (November 19, 2013)
 
 FEATURES:
 
diff --git a/packer/version.go b/packer/version.go
index 096edac65..39f046b91 100644
--- a/packer/version.go
+++ b/packer/version.go
@@ -15,7 +15,7 @@ const Version = "0.4.0"
 // Any pre-release marker for the version. If this is "" (empty string),
 // then it means that it is a final release. Otherwise, this is the
 // pre-release marker.
-const VersionPrerelease = "dev"
+const VersionPrerelease = ""
 
 type versionCommand byte