diff --git a/CausalitySearch/pom.xml b/CausalitySearch/pom.xml
index dfd41c0..14dd456 100644
--- a/CausalitySearch/pom.xml
+++ b/CausalitySearch/pom.xml
@@ -104,7 +104,7 @@
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
-            <version>4.5.2</version>
+            <version>4.5.13</version>
         </dependency>
 
         <!-- https://mvnrepository.com/artifact/org.json/json -->