diff --git a/CHANGELOG b/CHANGELOG
index 3042c50..ec432a5 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -6,6 +6,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [1.3.4] - 2020-09-11
+### Changed
+- New plantuml.jar version: V1.2020.16 (23 Aug, 2020)
+
 ## [1.3.3] - 2020-07-30
 ### Fixed
 - Post install testdot script throws error when JAVA is not installed
@@ -41,7 +45,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Added
 - First version
 
-[Unreleased]: https://github.com/krisztianb/plantuml-pipe/compare/v1.3.3...HEAD
+[Unreleased]: https://github.com/krisztianb/plantuml-pipe/compare/v1.3.4...HEAD
+[1.3.4]: https://github.com/krisztianb/plantuml-pipe/releases/tag/v1.3.4
 [1.3.3]: https://github.com/krisztianb/plantuml-pipe/releases/tag/v1.3.3
 [1.3.2]: https://github.com/krisztianb/plantuml-pipe/releases/tag/v1.3.2
 [1.3.1]: https://github.com/krisztianb/plantuml-pipe/releases/tag/v1.3.1
diff --git a/package.json b/package.json
index 88a192b..33f8fb6 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "plantuml-pipe",
-    "version": "1.3.3",
+    "version": "1.3.4",
     "description": "Generate multiple PlantUML diagrams with one JAVA process",
     "author": {
         "name": "Krisztián Balla",