diff --git a/pom.xml b/pom.xml
index e7c70b6..6528015 100644
--- a/pom.xml
+++ b/pom.xml
@@ -272,7 +272,7 @@
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>
-            <version>1.5.18</version>
+            <version>1.5.20</version>
             <scope>test</scope>
         </dependency>
         <dependency>