diff --git a/generator/pom.xml b/generator/pom.xml
index 9d5efee1..333f145d 100644
--- a/generator/pom.xml
+++ b/generator/pom.xml
@@ -121,7 +121,7 @@
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>
-            <version>1.5.8</version>
+            <version>1.5.9</version>
         </dependency>
     </dependencies>
     <properties>