diff --git a/tbschedule-example/pom.xml b/tbschedule-example/pom.xml
index eb5d239..01e8d57 100644
--- a/tbschedule-example/pom.xml
+++ b/tbschedule-example/pom.xml
@@ -27,7 +27,7 @@
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>
-            <version>1.2.0</version>
+            <version>1.3.12</version>
         </dependency>
     </dependencies>