diff --git a/build.gradle b/build.gradle
old mode 100755
new mode 100644
index 9f275de..406a78a
--- a/build.gradle
+++ b/build.gradle
@@ -1,6 +1,6 @@
 buildscript {
     dependencies {
-        classpath "com.diffplug.spotless:spotless-plugin-gradle:3.26.1"
+        classpath "com.diffplug.spotless:spotless-plugin-gradle:5.14.2"
         classpath "org.ajoberstar.grgit:grgit-gradle:4.0.1"
         classpath 'antlr:antlr:2.7.7'
     }