diff --git a/CHANGELOG.md b/CHANGELOG.md
index 39e99c41bb72f7df712977d60a9a0a8ea864e5fc..3ce66ebd04dacc2a91abdde5a311d5b544673803 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,18 @@
 # Changelog
 
+## 2.4.3
+This release fixes a performance issue on session creation affecting large
+installations.
+
+Bug fixes:
+* WebSocket communication now works correctly for course sessions.
+  (only affects installations using the LMS connector)
+* The configuration parameter `security.facebook.allowed-roles` is now
+  respected.
+
+Additional changes:
+* Libraries have been upgraded to fix potential bugs
+
 ## 2.4.2
 This release fixes a minor security vulnerability which allowed an attacker to
 remove a MotD from a session without being the creator.
diff --git a/pom.xml b/pom.xml
index 58b077d69abec2294020d622500bd14a48559565..c83713056e3958abc05d8f3aceaa2fa894f3463d 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>2.4.3-SNAPSHOT</version>
+	<version>2.4.3</version>
 	<packaging>war</packaging>
 
 	<properties>