diff --git a/mathosphere-core/pom.xml b/mathosphere-core/pom.xml
old mode 100755
new mode 100644
index 390f3318..29d98944
--- a/mathosphere-core/pom.xml
+++ b/mathosphere-core/pom.xml
@@ -236,7 +236,7 @@
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
-            <version>4.5.3</version>
+            <version>4.5.13</version>
         </dependency>
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>