diff --git a/weixin4j-server/pom.xml b/weixin4j-server/pom.xml
index 5f726435..bb380f27 100644
--- a/weixin4j-server/pom.xml
+++ b/weixin4j-server/pom.xml
@@ -43,7 +43,7 @@
 		<dependency>
 			<groupId>org.apache.httpcomponents</groupId>
 			<artifactId>httpclient</artifactId>
-			<version>4.3.6</version>
+			<version>4.5.13</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>