diff --git a/build.gradle b/build.gradle
index 80aa34c..90d17b9 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,6 +1,6 @@
 plugins {
     id "java"
-    id "org.springframework.boot" version "3.5.7"
+    id "org.springframework.boot" version "4.0.0"
     id "io.freefair.git-version"
     id "io.freefair.lombok"
     id "io.freefair.javadoc-links"