diff --git a/lib/pom.xml b/lib/pom.xml
index 6c15271b..80a383f3 100644
--- a/lib/pom.xml
+++ b/lib/pom.xml
@@ -109,7 +109,7 @@
       <dependency>
         <groupId>ch.qos.logback</groupId>
         <artifactId>logback-classic</artifactId>
-        <version>1.5.3</version>
+        <version>1.5.4</version>
       </dependency>
       <dependency>
         <groupId>org.springframework</groupId>