diff --git a/build.gradle b/build.gradle
index e41bbb4..14c17a0 100644
--- a/build.gradle
+++ b/build.gradle
@@ -24,9 +24,8 @@ processResources {
 repositories {
   mavenLocal()
   mavenCentral()
-  maven {
-    url 'https://dist.xebialabs.com/public/maven2'
-  }
+  maven { url 'https://dist.xebialabs.com/public/maven2' }
+  maven { url 'http://repo.spring.io/libs-release/' }
 }
 
 configurations {
@@ -38,7 +37,9 @@ dependencies {
   compile "com.xebialabs.deployit:udm-plugin-api:$apiVersion"
   compile "com.xebialabs.deployit:engine-spi:$apiVersion"
   compile group: 'com.google.guava', name: 'guava', version: '19.0'
+  compile group: 'com.google.code.gson', name: 'gson', version: '2.3.1'
   compile group: 'org.apache.commons', name: 'commons-text', version: '1.3'
+  compile group: 'edu.emory.mathcs.backport', name: 'com.springsource.edu.emory.mathcs.backport', version: '3.1.0'
   compile zipTree("$xlDeployHome/plugins/generic-plugin-8.1.0.xldp")
   compile zipTree("$xlDeployHome/plugins/base-plugin-8.1.0.xldp")