diff --git a/caller/pom.xml b/caller/pom.xml
index 21c9146..45ed818 100644
--- a/caller/pom.xml
+++ b/caller/pom.xml
@@ -40,7 +40,7 @@
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
-            <version>4.5.12</version>
+            <version>4.5.13</version>
         </dependency>
         <dependency>
             <groupId>com.github.javafaker</groupId>