diff --git a/pom.xml b/pom.xml
index 983e845..cc8f600 100644
--- a/pom.xml
+++ b/pom.xml
@@ -47,7 +47,7 @@
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
-            <version>4.5.6</version>
+            <version>4.5.13</version>
         </dependency>
         <!-- https://mvnrepository.com/artifact/commons-lang/commons-lang -->
         <dependency>