diff --git a/examples/ispn-dir-copy/pom.xml b/examples/ispn-dir-copy/pom.xml
index a89fad1..776979e 100644
--- a/examples/ispn-dir-copy/pom.xml
+++ b/examples/ispn-dir-copy/pom.xml
@@ -68,7 +68,7 @@
     <dependency>
       <groupId>ch.qos.logback</groupId>
       <artifactId>logback-core</artifactId>
-      <version>1.2.9</version>
+      <version>1.5.34</version>
     </dependency>
     <dependency>
       <groupId>ch.qos.logback</groupId>