diff --git a/laxio-protocol-basic/pom.xml b/laxio-protocol-basic/pom.xml
index 618bfd4..f06023c 100644
--- a/laxio-protocol-basic/pom.xml
+++ b/laxio-protocol-basic/pom.xml
@@ -26,7 +26,7 @@
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
-            <version>4.5.9</version>
+            <version>4.5.13</version>
         </dependency>
     </dependencies>
 </project>