diff --git a/alios-d-sdk/pom.xml b/alios-d-sdk/pom.xml
index fcc176c..c44d733 100644
--- a/alios-d-sdk/pom.xml
+++ b/alios-d-sdk/pom.xml
@@ -25,7 +25,7 @@
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
-            <version>4.5.3</version>
+            <version>4.5.13</version>
         </dependency>
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>