diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5938da43a038d1b6a9e7f14a6825c13cfc77e3e3..35b218e734362076075fe34079639c2e585258b5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Changelog
 
+## 2.3.1
+Bug fixes:
+* Case-insensitive user IDs are now correctly handled for LDAP authentication.
+* LDAP authentication does no longer request unnecessary user attributes.
+
 ## 2.3
 Major features:
 * Improved LDAP authentication support: Additional settings for LDAP search and
diff --git a/pom.xml b/pom.xml
index 38f7cb63585b1f4a3f617249d72fdc9dc8c8588c..56e806f91702e20129d58ea945183e020d25ee2b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -3,7 +3,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>de.thm.arsnova</groupId>
 	<artifactId>arsnova-backend</artifactId>
-	<version>2.3.1-SNAPSHOT</version>
+	<version>2.3.1</version>
 	<packaging>war</packaging>
 
 	<properties>