diff --git a/build.gradle b/build.gradle
index 65d97d3f5..59c72a48e 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,9 +1,6 @@
 buildscript {
-    repositories {
-        jcenter()
-    }
     dependencies {
-        classpath 'com.github.jengelman.gradle.plugins:shadow:5.2.0'
+        classpath 'com.github.jengelman.gradle.plugins:shadow:6.1.0'
     }
 }