diff --git a/build.gradle b/build.gradle
index c5b30e6..27e6d58 100644
--- a/build.gradle
+++ b/build.gradle
@@ -22,8 +22,8 @@ allprojects {
     }
     
     compileJava {
-        sourceCompatibility = JavaVersion.VERSION_1_8
-        targetCompatibility = JavaVersion.VERSION_1_8
+        sourceCompatibility = JavaVersion.VERSION_11
+        targetCompatibility = JavaVersion.VERSION_11
     }
     
     test {