diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8c70291..70d037f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,12 +3,15 @@ All notable changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased][unreleased]
+
+## [0.4.0] - 2017-11-25
 ### Changed
 - some backward compatibility for option machinery
 - more detailed help text
 
 ### Added
 - add support for EditorConfig to unify coding style
+- AST nodes keep track of parentheses in the input
 
 ## [0.3.0] - 2015-11-17
 ### Changed
@@ -70,7 +73,8 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 ### Changed
 - improved scheduling of parallel rendering tasks
 
-[unreleased]: https://github.com/IMAGINARY/jsurf/compare/v0.3.0...HEAD
+[unreleased]: https://github.com/IMAGINARY/jsurf/compare/v0.4.0...HEAD
+[0.3.0]: https://github.com/IMAGINARY/jsurf/compare/v0.3.0...v0.4.0
 [0.3.0]: https://github.com/IMAGINARY/jsurf/compare/v0.2.0...v0.3.0
 [0.2.0]: https://github.com/IMAGINARY/jsurf/compare/v0.1.4...v0.2.0
 [0.1.4]: https://github.com/IMAGINARY/jsurf/compare/v0.1.3...v0.1.4
diff --git a/build.gradle b/build.gradle
index a2a222c..38ab1a2 100755
--- a/build.gradle
+++ b/build.gradle
@@ -1,5 +1,5 @@
 group = 'de.mfo.jsurf'
-version = '0.4.0-SNAPSHOT'
+version = '0.4.0'
 
 apply plugin: 'application'
 apply plugin: 'java'
@@ -58,7 +58,7 @@ publishing {
         }
         repositories {
                 maven {
-                        // change if necessary
+                        // define in local gradle.properties file
                         url project.properties[ 'publishing.repositories.maven.url' ]
                 }
         }