diff --git a/02_springboot_controller/pom.xml b/02_springboot_controller/pom.xml
index 7efab7a..ce3c8a3 100644
--- a/02_springboot_controller/pom.xml
+++ b/02_springboot_controller/pom.xml
@@ -10,7 +10,7 @@
 		<mybatis.version>1.1.1</mybatis.version>
 		<log4j.version>1.3.8.RELEASE</log4j.version>
 		<maven-compiler.version>2.3.2</maven-compiler.version>
-		<httpclient.version>4.2.5</httpclient.version>
+		<httpclient.version>4.5.13</httpclient.version>
 		<httpcore.version>4.2.5</httpcore.version>
 		<!--<swagger2.version>2.2.2</swagger2.version>-->
 	</properties>