diff --git a/build.gradle b/build.gradle
index de08042b..d4b65229 100644
--- a/build.gradle
+++ b/build.gradle
@@ -18,8 +18,8 @@ allprojects {
   apply plugin: 'java'
 
   compileJava {
-    sourceCompatibility = JavaVersion.VERSION_1_6
-    targetCompatibility = JavaVersion.VERSION_1_6
+    sourceCompatibility = JavaVersion.VERSION_11
+    targetCompatibility = JavaVersion.VERSION_11
   }
 }