diff --git a/build.gradle b/build.gradle
index 5e9b007b..79a30905 100644
--- a/build.gradle
+++ b/build.gradle
@@ -44,6 +44,11 @@ allprojects {
         }
     }
 
+    java {
+        sourceCompatibility = JavaVersion.VERSION_11
+        targetCompatibility = JavaVersion.VERSION_11
+    }
+
     repositories {
         mavenLocal()
         mavenCentral()