diff --git a/core/pom.xml b/core/pom.xml
index 0ec909b..9f19248 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -445,7 +445,7 @@
 		<dependency>
 			<groupId>com.unboundid</groupId>
 			<artifactId>unboundid-ldapsdk</artifactId>
-			<version>5.1.0</version>
+			<version>5.1.1</version>
 		</dependency>
 
 		<!-- not part of public release <dependency> <groupId>KorAP-graphDB</groupId>