diff --git a/build.gradle b/build.gradle
index 70ff99a..8f56c55 100644
--- a/build.gradle
+++ b/build.gradle
@@ -7,7 +7,7 @@ plugins {
 
   // Code formatting; defines targets "spotlessApply" and "spotlessCheck"
   // Version 6.14.0 and later requires JRE 11+, but version 6.13.0 doesn't work on JRE 21.
-  id 'com.diffplug.spotless' version '6.13.0'
+  id 'com.diffplug.spotless' version '7.0.1'
 
   // Error Prone linter
   // TODO: Java 23: remove "apply false".