Set required java version to 1.7

diff --git a/build.gradle b/build.gradle
index ec4925c7d6c0a7a5236f6c3c61a44b27fa497030..c56e0d85da8e2a4b321d97cd3d8ab1d7758d00dd 100644 (file)
--- a/build.gradle
+++ b/build.gradle
@@ -1,7 +1,8 @@
 apply plugin: 'java'
 apply plugin: 'application'
 
-sourceCompatibility = "1.8";
+sourceCompatibility = JavaVersion.VERSION_1_7
+targetCompatibility = JavaVersion.VERSION_1_7
 
 mainClassName = 'cli.Main'