diff --git a/polling-publisher/pom.xml b/polling-publisher/pom.xml
index 2e5f7e8f35cb..e7fbbba8f6d0 100644
--- a/polling-publisher/pom.xml
+++ b/polling-publisher/pom.xml
@@ -93,7 +93,7 @@
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-core</artifactId>
-            <version>1.5.18</version>
+            <version>1.5.35</version>
         </dependency>
         <dependency>
             <groupId>ch.qos.logback</groupId>