diff --git a/CHANGELOG.md b/CHANGELOG.md
index b6f1415ea5..fb86c65153 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,4 @@
-## 0.3.1 (unreleased)
+## 0.3.1 (October 21, 2014)
 
 IMPROVEMENTS:
 
diff --git a/version.go b/version.go
index 82b69806ba..a38a77a3f8 100644
--- a/version.go
+++ b/version.go
@@ -9,4 +9,4 @@ const Version = "0.3.1"
 // 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 = ""