diff --git a/build.gradle b/build.gradle
index 0fb5642..fe056b0 100644
--- a/build.gradle
+++ b/build.gradle
@@ -12,6 +12,7 @@
 
 dependencies {
 	compile fileTree(dir: './lib/', includes: ['*.jar'])
+	compile 'com.fasterxml.jackson.core:jackson-databind:2.9.5'
 	compile 'org.glassfish.jersey.containers:jersey-container-servlet:2.+'
     compile group: 'commons-collections', name: 'commons-collections', version: '3.2'
     compile group: 'javax.servlet', name: 'javax.servlet-api', version: '3.1.0'