diff --git a/util-demo/pom.xml b/util-demo/pom.xml
index 0a4fa17..d2c166c 100644
--- a/util-demo/pom.xml
+++ b/util-demo/pom.xml
@@ -44,7 +44,7 @@
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
-            <version>4.5.2</version>
+            <version>4.5.13</version>
         </dependency>
         <dependency>
             <groupId>javax.servlet</groupId>