diff --git a/core/pom.xml b/core/pom.xml
index 991e6cc..b41da08 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -459,7 +459,7 @@
 		<dependency>
 			<groupId>com.unboundid</groupId>
 			<artifactId>unboundid-ldapsdk</artifactId>
-			<version>5.1.4</version>
+			<version>6.0.0</version>
 		</dependency>
 
 		<!-- not part of public release <dependency> <groupId>KorAP-graphDB</groupId>