Release version 2.2.1

CHANGELOG.md

 # Changelog
 
+## 2.2.1
+This release fixes a security vulnerability in the account management API. It is
+highly recommended to upgrade if you are using database authentication.
+
+Additional bug fixes:
+* The `security.authentication.login-try-limit` setting now works as intended.
+
 ## 2.1.1
 This release fixes a security vulnerability in the account management API. It is
 highly recommended to upgrade if you are using database authentication.

pom.xml

@@ -3,7 +3,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>de.thm.arsnova</groupId>
 	<artifactId>arsnova-backend</artifactId>
-	<version>2.2.1-SNAPSHOT</version>
+	<version>2.2.1</version>
 	<packaging>war</packaging>
 
 	<properties>