diff --git a/pom.xml b/pom.xml
index 01bbd8d..c5ec014 100644
--- a/pom.xml
+++ b/pom.xml
@@ -118,7 +118,7 @@
       <dependency>
         <groupId>ch.qos.logback</groupId>
         <artifactId>logback-classic</artifactId>
-        <version>1.5.33</version>
+        <version>1.5.34</version>
       </dependency>
       <dependency>
         <groupId>commons-codec</groupId>