diff --git a/mailjimp-core/pom.xml b/mailjimp-core/pom.xml
index db7f441..616dceb 100644
--- a/mailjimp-core/pom.xml
+++ b/mailjimp-core/pom.xml
@@ -39,7 +39,7 @@
     <dependency>
       <groupId>com.sun.jersey</groupId>
       <artifactId>jersey-json</artifactId>
-      <version>1.9.1</version>
+      <version>1.19.4</version>
     </dependency>
 
     <!-- Jackson -->