diff --git a/kafka/pom.xml b/kafka/pom.xml
index f8b48db..82d6da3 100644
--- a/kafka/pom.xml
+++ b/kafka/pom.xml
@@ -50,7 +50,7 @@
     <dependency>
       <groupId>ch.qos.logback</groupId>
       <artifactId>logback-classic</artifactId>
-      <version>1.5.30</version>
+      <version>1.5.31</version>
       <scope>test</scope>
     </dependency>
     <dependency>