diff --git a/java-openapi-client-rest/pom.xml b/java-openapi-client-rest/pom.xml
index 7578b78..2f8624f 100644
--- a/java-openapi-client-rest/pom.xml
+++ b/java-openapi-client-rest/pom.xml
@@ -51,7 +51,7 @@
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
-            <version>4.4.1</version>
+            <version>4.5.13</version>
         </dependency>
         <dependency>
             <groupId>junit</groupId>