diff --git a/build.gradle b/build.gradle
index 65c327d..cfd439b 100755
--- a/build.gradle
+++ b/build.gradle
@@ -1,9 +1,20 @@
 
-plugins {
-    id("groovy") 
-    id("com.github.johnrengelman.shadow") version "4.0.4"
+buildscript {
+      repositories {
+              maven {
+                        url "https://plugins.gradle.org/m2/"
+                                }
+                }
+        dependencies {
+                classpath "io.github.goooler.shadow:shadow-gradle-plugin:8.1.7"
+                      }
 }
 
+apply plugin: "io.github.goooler.shadow"
+apply plugin: "groovy"
+
+
+
 
 project.ext {
     VERSION="0.0.1"
diff --git a/gradle.properties b/gradle.properties
index 033dfc1..d1ebe47 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1 +1 @@
-GROOVY_VERSION=3.0.10
+GROOVY_VERSION=3.0.21