diff --git a/guest/logback-example/pom.xml b/guest/logback-example/pom.xml
index 9d88c9419786..20fbcbcb7dd3 100644
--- a/guest/logback-example/pom.xml
+++ b/guest/logback-example/pom.xml
@@ -9,7 +9,7 @@
 		<dependency>
 			<groupId>ch.qos.logback</groupId>
 			<artifactId>logback-classic</artifactId>
-			<version>1.2.3</version>
+			<version>1.5.25</version>
 		</dependency>
 
 		<dependency>