diff --git a/webindex/pom.xml b/webindex/pom.xml
index bb6b911..da8c0bd 100644
--- a/webindex/pom.xml
+++ b/webindex/pom.xml
@@ -177,7 +177,7 @@
       <dependency>
         <groupId>org.apache.zookeeper</groupId>
         <artifactId>zookeeper</artifactId>
-        <version>3.8.4</version>
+        <version>3.8.6</version>
       </dependency>
       <dependency>
         <groupId>org.jsoup</groupId>