diff --git a/build.gradle b/build.gradle
index 610a1f5..0dea283 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,7 +1,7 @@
 plugins {
     id 'java'
     id 'application'
-    id 'com.github.johnrengelman.shadow' version '4.0.2'
+    id 'com.github.johnrengelman.shadow' version '7.1.2'
     id 'jacoco'
 }
 
@@ -10,8 +10,8 @@ version '1.0-SNAPSHOT'
 
 mainClassName = 'com.example.helloworld.HelloWorldApplication'
  
-sourceCompatibility = 1.8
-targetCompatibility = 1.8
+sourceCompatibility = 11
+targetCompatibility = 11
 
 repositories {
     mavenCentral()
@@ -49,4 +49,4 @@ jacocoTestReport {
         xml.required = true
         html.required = true
     }
-}
\ No newline at end of file
+}