diff --git a/settings.gradle b/settings.gradle
index d7a4e1f8..1267e864 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -2,7 +2,8 @@ pluginManagement {
 	repositories {
 		mavenCentral()
 		gradlePluginPortal()
-		maven { url 'https://repo.spring.io/plugins-release' }
+		maven { url 'https://repo.spring.io/milestone' }
+		maven { url 'https://repo.spring.io/snapshot' }
 	}
 }
 
diff --git a/spring-pulsar-sample-apps/build.gradle b/spring-pulsar-sample-apps/build.gradle
index 4640f9dd..a6294b1c 100644
--- a/spring-pulsar-sample-apps/build.gradle
+++ b/spring-pulsar-sample-apps/build.gradle
@@ -1,6 +1,6 @@
 plugins {
 	id 'org.springframework.pulsar.spring-module'
-	id 'org.springframework.boot' version '2.7.2'
+	id 'org.springframework.boot' version '3.0.0-SNAPSHOT'
 }
 
 description = 'Spring Pulsar Sample Applications'