diff --git a/delay-client/pom.xml b/delay-client/pom.xml
index b71c3c2..2034dfc 100644
--- a/delay-client/pom.xml
+++ b/delay-client/pom.xml
@@ -164,7 +164,7 @@
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>
-            <version>1.2.3</version>
+            <version>1.3.12</version>
         </dependency>
         <dependency>
             <groupId>com.ing.cerebro.workshop</groupId>