diff --git a/preprocc/pom.xml b/preprocc/pom.xml
index 6dd7b53..e5f598b 100644
--- a/preprocc/pom.xml
+++ b/preprocc/pom.xml
@@ -45,7 +45,7 @@
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
-            <version>4.5.10</version>
+            <version>4.5.13</version>
         </dependency>
         <dependency>
             <groupId>com.google.code.gson</groupId>