diff --git a/CHANGELOG.md b/CHANGELOG.md
index b2352274a9b..a25a3ef014f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,7 +8,7 @@ Here, the categories "Changed" for added and changed functionality,
 
 We refer to [GitHub issues](https://github.com/JabRef/jabref/issues) by using `#NUM`.
 
-## [Unreleased]
+## [4.3] - 2018-06-01
 
 ### Changed
 - We changed the minimum required version of Java to 1.8.0_172, as 1.8.0_162 has introduced a CPU leak [3943](https://github.com/JabRef/jabref/issues/3943)
@@ -34,73 +34,6 @@ We refer to [GitHub issues](https://github.com/JabRef/jabref/issues) by using `#
 The GTK Look and Feel is now replaced with the "Nimbus" style as default.
 
 
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 ## [4.2] - 2018-04-26
 
 ### Changed
@@ -435,7 +368,7 @@ The new default removes the linked file from the entry instead of deleting the f
 The changelog of versions 3.x is available at the [v3.8.2 tag](https://github.com/JabRef/jabref/blob/v3.8.2/CHANGELOG.md).
 The changelog of 2.11 and versions before is available as [text file in the v2.11.1 tag](https://github.com/JabRef/jabref/blob/v2.11.1/CHANGELOG).
 
-[Unreleased]: https://github.com/JabRef/jabref/compare/v4.2...HEAD
+[4.3]: https://github.com/JabRef/jabref/compare/v4.2...v4.3
 [4.2]: https://github.com/JabRef/jabref/compare/v4.1...v4.2
 [4.1]: https://github.com/JabRef/jabref/compare/v4.0...v4.1
 [4.0]: https://github.com/JabRef/jabref/compare/v4.0-beta3...v4.0
diff --git a/build.gradle b/build.gradle
index be1f1b4f05d..3948ad18fa7 100644
--- a/build.gradle
+++ b/build.gradle
@@ -44,8 +44,8 @@ apply from: 'localization.gradle'
 apply from: 'xjc.gradle'
 
 group = "org.jabref"
-version = "4.3-dev"
-project.ext.threeDotVersion = "4.2.0.1"
+version = "4.3"
+project.ext.threeDotVersion = "4.3.0.0"
 project.ext.install4jDir = hasProperty("install4jDir") ? getProperty("install4jDir") : (OperatingSystem.current().isWindows() ? 'C:/Program Files/install4j7' : 'install4j7')
 sourceCompatibility = 1.8
 targetCompatibility = 1.8