diff --git a/pom.xml b/pom.xml
index 593f493..4d91e01 100644
--- a/pom.xml
+++ b/pom.xml
@@ -46,7 +46,7 @@
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
-            <version>4.5.5</version>
+            <version>4.5.7</version>
         </dependency>
 
         <!-- https://mvnrepository.com/artifact/com.itextpdf/kernel -->