diff --git a/build.gradle b/build.gradle
index c592a61e128cda40fd709eb1b696f92a55f2581b..e4385995c9e11438ffe0fd2e82659e48b1272b3a 100644
--- a/build.gradle
+++ b/build.gradle
@@ -13,8 +13,8 @@ wrapper {
   distributionType = Wrapper.DistributionType.ALL
 }
 
-sourceCompatibility = 1.6
-targetCompatibility = 1.6
+sourceCompatibility = 7
+targetCompatibility = 7
 
 repositories {
   mavenLocal()