diff --git a/libreplan-webapp/pom.xml b/libreplan-webapp/pom.xml
index 33e6c5d32..de70c4089 100644
--- a/libreplan-webapp/pom.xml
+++ b/libreplan-webapp/pom.xml
@@ -440,6 +440,14 @@
         <dependency>
             <groupId>org.apache.cxf</groupId>
             <artifactId>cxf-rt-frontend-jaxrs</artifactId>
+        </dependency>
+         <dependency>
+            <groupId>org.codehaus.jackson</groupId>
+            <artifactId>jackson-jaxrs</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.codehaus.jackson</groupId>
+            <artifactId>jackson-xc</artifactId>
         </dependency>
         <!-- ZK Timeplot -->
         <dependency>