diff --git a/complete/build.gradle b/complete/build.gradle
index a44b2eb..17e010c 100644
--- a/complete/build.gradle
+++ b/complete/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-	id 'org.springframework.boot' version '3.3.0'
+	id 'org.springframework.boot' version '3.4.2'
 	id 'java'
 }
 
diff --git a/initial/build.gradle b/initial/build.gradle
index a44b2eb..17e010c 100644
--- a/initial/build.gradle
+++ b/initial/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-	id 'org.springframework.boot' version '3.3.0'
+	id 'org.springframework.boot' version '3.4.2'
 	id 'java'
 }