diff --git a/weixin4j-server/pom.xml b/weixin4j-server/pom.xml
index 6215d680..b67857f1 100644
--- a/weixin4j-server/pom.xml
+++ b/weixin4j-server/pom.xml
@@ -42,7 +42,7 @@
 		<dependency>
 			<groupId>org.apache.httpcomponents</groupId>
 			<artifactId>httpclient</artifactId>
-			<version>4.2.5</version>
+			<version>4.3.6</version>
 			<exclusions>
 				<exclusion>
 					<groupId>commons-codec</groupId>