diff --git a/CHANGELOG.md b/CHANGELOG.md
index d1df67d..71c36ff 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,10 +8,14 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/).
 
 ### Added
 
-* Check for ScopedTypeVariables being enabled when using withStatic.
-
 ### Changed
 
+## [0.4.0] - 2018-02-06
+
+### Added
+
+* Check for ScopedTypeVariables being enabled when using withStatic.
+
 ## [0.3.5] - 2018-02-01
 
 ### Added
diff --git a/distributed-closure.cabal b/distributed-closure.cabal
index fc19f3f..c3fbb7b 100644
--- a/distributed-closure.cabal
+++ b/distributed-closure.cabal
@@ -1,5 +1,5 @@
 name:                distributed-closure
-version:             0.3.5
+version:             0.4.0
 synopsis:            Serializable closures for distributed programming.
 description:         See README.
 homepage:            https://github.com/tweag/distributed-closure