diff --git a/demo/pom.xml b/demo/pom.xml
index d099f82..b834241 100644
--- a/demo/pom.xml
+++ b/demo/pom.xml
@@ -166,7 +166,7 @@
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
-            <version>4.5.2</version>
+            <version>4.5.13</version>
         </dependency>
         <!-- 阿里巴巴json解析包start -->
         <dependency>