diff --git a/akka-sample-sharding-java/killrweather/pom.xml b/akka-sample-sharding-java/killrweather/pom.xml
index 38f811af..c50d416c 100644
--- a/akka-sample-sharding-java/killrweather/pom.xml
+++ b/akka-sample-sharding-java/killrweather/pom.xml
@@ -70,7 +70,7 @@
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>
-            <version>1.2.11</version>
+            <version>1.2.13</version>
         </dependency>
     </dependencies>