diff --git a/symmetric-assemble/common.gradle b/symmetric-assemble/common.gradle
index 953b9fa814..4c6bf01c0f 100644
--- a/symmetric-assemble/common.gradle
+++ b/symmetric-assemble/common.gradle
@@ -79,8 +79,8 @@ subprojects { subproject ->
         }
         
         jdt {
-            sourceCompatibility = 1.8
-            targetCompatibility = 1.8
+            sourceCompatibility = 1.7
+            targetCompatibility = 1.7
         }
         
         project.file.whenMerged { project ->
diff --git a/symmetric-core/build.gradle b/symmetric-core/build.gradle
index 80e54b657e..6ace901cf5 100644
--- a/symmetric-core/build.gradle
+++ b/symmetric-core/build.gradle
@@ -8,6 +8,7 @@ apply from: symAssembleDir + '/common.gradle'
         compile "commons-fileupload:commons-fileupload:$commonsFileuploadVersion"
         compile "javax.mail:mail:1.4.5"
         compile "com.fasterxml.jackson.core:jackson-databind:2.8.5"
+        compile "com.google.code.gson:gson:2.8.0"
         
         testCompile project(path: ':symmetric-util', configuration: 'testArtifacts')
         testCompile project(path: ':symmetric-jdbc', configuration: 'testArtifacts')