diff --git a/complete/build.gradle b/complete/build.gradle
index e1713e8..82fa5a8 100644
--- a/complete/build.gradle
+++ b/complete/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-  id 'org.springframework.boot' version '4.0.1'
+  id 'org.springframework.boot' version '4.0.3'
   id 'io.spring.dependency-management' version '1.1.7'
   id 'java'
 }
diff --git a/initial/build.gradle b/initial/build.gradle
index 78078b2..56d9923 100644
--- a/initial/build.gradle
+++ b/initial/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-  id 'org.springframework.boot' version '4.0.1'
+  id 'org.springframework.boot' version '4.0.3'
   id 'io.spring.dependency-management' version '1.1.7'
   id 'java'
 }