diff --git a/appengine-java8/mailjet/pom.xml b/appengine-java8/mailjet/pom.xml
index 0c8813c23ff..f28ed7d98db 100644
--- a/appengine-java8/mailjet/pom.xml
+++ b/appengine-java8/mailjet/pom.xml
@@ -38,7 +38,7 @@
     <dependency>
       <groupId>com.mailjet</groupId>
       <artifactId>mailjet-client</artifactId>
-      <version>4.2.1</version>
+      <version>4.5.0</version>
     </dependency>
 
     <dependency>