diff --git a/lucene-demo/pom.xml b/lucene-demo/pom.xml
index c0708ef..4b80328 100644
--- a/lucene-demo/pom.xml
+++ b/lucene-demo/pom.xml
@@ -22,7 +22,7 @@
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
-            <version>4.2.1</version>
+            <version>4.5.13</version>
         </dependency>
         <dependency>
             <groupId>com.googlecode.json-simple</groupId>