diff --git a/pom.xml b/pom.xml
index d934a74..4bd92cb 100644
--- a/pom.xml
+++ b/pom.xml
@@ -73,7 +73,7 @@
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>
-            <version>1.4.6</version>
+            <version>1.5.20</version>
             <scope>test</scope>
         </dependency>
         <dependency>