diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9e5b2de..8f6908e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## v2.4.0-alpha.1
+
+### Enhancements
+
+* Update mapping_tree creation ([#191](https://github.com/medizininformatik-initiative/flare/issues/191))
+* Add cohort extraction endpoint ([#178](https://github.com/medizininformatik-initiative/flare/issues/178))
+* docker-compose.yml should be for flare instead of blaze ([#184](https://github.com/medizininformatik-initiative/flare/issues/184))
+
 ## v2.3.0
 
 ### Enhancements
diff --git a/pom.xml b/pom.xml
index 00a6c27..3624df6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -13,7 +13,7 @@
 
   <groupId>de.medizininformatik-initiative</groupId>
   <artifactId>flare</artifactId>
-  <version>2.3.0</version>
+  <version>2.4.0-alpha.1</version>
 
   <name>Flare</name>
   <description>Flare</description>