diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9e7cb3f..47692a7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,21 +8,25 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [3.1.6] - 2020-01-03
+
 ### Fixed
 
  - Do not add options which value is `NULL`
+ - Fix button labels ([#83](https://github.com/netzmacht/contao-leaflet-maps/issues/83))
+ - Fix potential security issue of symfony/dependency-injection (https://github.com/advisories/GHSA-pgwj-prpq-jpc2)
+
+### Changed 
+
+ - Use relative path for backend icon ([#82](https://github.com/netzmacht/contao-leaflet-maps/issues/82))
+
 
 ## [3.1.5] - 2019-08-26
 
 ### Fixed
 
  - Use twig directly instead of templating component to restore Contao 4.8
- - Fix button labels ([#83](https://github.com/netzmacht/contao-leaflet-maps/issues/83))
  
-### Changed 
-
- - Use relative path for backend icon ([#82](https://github.com/netzmacht/contao-leaflet-maps/issues/82))
-
 ## [3.1.4] - 2019-02-13
 
 ### Fixed
@@ -141,7 +145,8 @@ Implemented enhancements
  - Bypass filesystem cache in debug mode
  - Changelog added
 
-[Unreleased]: https://github.com/netzmacht/contao-leaflet-maps/compare/3.1.5...hotfix/3.1.6
+[Unreleased]: https://github.com/netzmacht/contao-leaflet-maps/compare/3.1.6...hotfix/3.1.7
+[3.1.6]: https://github.com/netzmacht/contao-leaflet-maps/compare/3.1.5...3.1.6
 [3.1.5]: https://github.com/netzmacht/contao-leaflet-maps/compare/3.1.4...3.1.5
 [3.1.4]: https://github.com/netzmacht/contao-leaflet-maps/compare/3.1.3...3.1.4
 [3.1.3]: https://github.com/netzmacht/contao-leaflet-maps/compare/3.1.2...3.1.3