diff --git a/thunder-core/pom.xml b/thunder-core/pom.xml
index 2db1ef9b..7a896592 100644
--- a/thunder-core/pom.xml
+++ b/thunder-core/pom.xml
@@ -106,7 +106,7 @@
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
-            <version>4.5</version>
+            <version>4.5.13</version>
         </dependency>