diff --git a/rocksdbexample/pom.xml b/rocksdbexample/pom.xml
index 646aa50..9703d61 100644
--- a/rocksdbexample/pom.xml
+++ b/rocksdbexample/pom.xml
@@ -30,7 +30,7 @@
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
-            <version>4.5.4</version>
+            <version>4.5.13</version>
         </dependency>
         <dependency>
             <groupId>com.alibaba</groupId>