diff --git a/build.gradle b/build.gradle
index 52bfa81..a721342 100644
--- a/build.gradle
+++ b/build.gradle
@@ -12,6 +12,7 @@ dependencies {
 }
 
 version="1.1"
+sourceCompatibility = 1.8
 
 pluginBundle {
   website='https://github.com/greensopinion/gradle-android-eclipse'