diff --git a/S4J/pom.xml b/S4J/pom.xml
index 6c2504c..5aa1af6 100644
--- a/S4J/pom.xml
+++ b/S4J/pom.xml
@@ -133,7 +133,7 @@
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>
-            <version>1.5.34</version>
+            <version>1.5.37</version>
         </dependency>
     </dependencies>