diff --git a/pom.xml b/pom.xml
index 1b84a55..555753c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -69,7 +69,7 @@
             <dependency>
                 <groupId>org.apache.httpcomponents</groupId>
                 <artifactId>httpclient</artifactId>
-                <version>4.5.3</version>
+                <version>4.5.13</version>
             </dependency>
             <dependency>
                 <groupId>org.bouncycastle</groupId>