diff --git a/build.gradle b/build.gradle
old mode 100755
new mode 100644
index f368b71..1423b1d
--- a/build.gradle
+++ b/build.gradle
@@ -2,7 +2,7 @@ import java.text.SimpleDateFormat
 
 buildscript {
     dependencies {
-        classpath "com.diffplug.spotless:spotless-plugin-gradle:3.13.0"
+        classpath "com.diffplug.spotless:spotless-plugin-gradle:4.0.0"
         classpath 'antlr:antlr:2.7.7'
     }