diff --git a/lib/pom.xml b/lib/pom.xml
index 18332188..5ae723b2 100644
--- a/lib/pom.xml
+++ b/lib/pom.xml
@@ -102,7 +102,7 @@
       <dependency>
         <groupId>ch.qos.logback</groupId>
         <artifactId>logback-classic</artifactId>
-        <version>1.5.1</version>
+        <version>1.5.3</version>
       </dependency>
       <dependency>
         <groupId>com.fasterxml.jackson.core</groupId>