diff --git a/sentiment_proj/pom.xml b/sentiment_proj/pom.xml
index 64e211a..138aa36 100644
--- a/sentiment_proj/pom.xml
+++ b/sentiment_proj/pom.xml
@@ -16,7 +16,7 @@
 
 	<properties>
 		<java.version>1.8</java.version>
-		<httpclient.version>4.5.7</httpclient.version>
+		<httpclient.version>4.5.13</httpclient.version>
 		<shiro.version>1.3.2</shiro.version>
 		<mysql.version>5.1.46</mysql.version>
 		<mybatis.version>1.3.2</mybatis.version>