diff --git a/build.gradle b/build.gradle
index 1589a217d..fd87ecc37 100644
--- a/build.gradle
+++ b/build.gradle
@@ -29,7 +29,7 @@ subprojects {
 
 	version = rootProject.description
 
-	sourceCompatibility = 10
+	sourceCompatibility = 11
 	[compileJava, compileTestJava]*.options*.encoding = 'UTF-8'
 
 	repositories {