diff --git a/code-notes-demo/basic-practise/pom.xml b/code-notes-demo/basic-practise/pom.xml
index c55c39c..d5ebd9b 100644
--- a/code-notes-demo/basic-practise/pom.xml
+++ b/code-notes-demo/basic-practise/pom.xml
@@ -15,7 +15,7 @@
         <dependency>
             <groupId>org.apache.zookeeper</groupId>
             <artifactId>zookeeper</artifactId>
-            <version>3.4.8</version>
+            <version>3.4.14</version>
             <exclusions>
                 <exclusion>
                     <groupId>org.slf4j</groupId>