diff --git a/code/market_listener/pom.xml b/code/market_listener/pom.xml
index b0c88c5..90537e8 100644
--- a/code/market_listener/pom.xml
+++ b/code/market_listener/pom.xml
@@ -60,7 +60,7 @@
     <dependency>
       <groupId>org.apache.httpcomponents</groupId>
       <artifactId>httpclient</artifactId>
-      <version>4.5.3</version>
+      <version>4.5.13</version>
     </dependency>
 
     <dependency>