diff --git a/CHANGELOG.md b/CHANGELOG.md
index 595b94c17..2a49133d0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,4 @@
-## 0.4.2 (unreleased)
+## 0.4.2 (April 10, 2015)
 
 BUG FIXES:
 
diff --git a/version.go b/version.go
index c6357e0c5..57a609f78 100644
--- a/version.go
+++ b/version.go
@@ -9,4 +9,4 @@ const Version = "0.4.2"
 // A pre-release marker for the version. If this is "" (empty string)
 // then it means that it is a final release. Otherwise, this is a pre-release
 // such as "dev" (in development), "beta", "rc1", etc.
-const VersionPrerelease = "dev"
+const VersionPrerelease = ""