diff --git a/build.gradle b/build.gradle
index 9eb8077..040266e 100644
--- a/build.gradle
+++ b/build.gradle
@@ -32,7 +32,7 @@ plugins {
 
 ext {
     // versions of dependencies
-    springBootVersion = '3.5.14'
+    springBootVersion = '4.0.6'
     springDocVersion  = '2.8.17'
     javersVersion     = '7.9.0'
 }