diff --git a/docs/src/docs/asciidoc/examples/spring-authorization-server-docs-examples.gradle b/docs/src/docs/asciidoc/examples/spring-authorization-server-docs-examples.gradle
index a2fb3f70..4195f523 100644
--- a/docs/src/docs/asciidoc/examples/spring-authorization-server-docs-examples.gradle
+++ b/docs/src/docs/asciidoc/examples/spring-authorization-server-docs-examples.gradle
@@ -12,7 +12,7 @@ repositories {
 }
 
 dependencies {
-	implementation platform("org.springframework.boot:spring-boot-dependencies:2.7.0")
+	implementation platform("org.springframework.boot:spring-boot-dependencies:3.0.0-M4")
 	implementation "org.springframework.boot:spring-boot-starter-web"
 	implementation "org.springframework.boot:spring-boot-starter-thymeleaf"
 	implementation "org.springframework.boot:spring-boot-starter-security"
diff --git a/samples/custom-consent-authorizationserver/samples-custom-consent-authorizationserver.gradle b/samples/custom-consent-authorizationserver/samples-custom-consent-authorizationserver.gradle
index 8a2cf466..cc5d45c2 100644
--- a/samples/custom-consent-authorizationserver/samples-custom-consent-authorizationserver.gradle
+++ b/samples/custom-consent-authorizationserver/samples-custom-consent-authorizationserver.gradle
@@ -1,5 +1,5 @@
 plugins {
-	id "org.springframework.boot" version "2.7.0"
+	id "org.springframework.boot" version "3.0.0-M4"
 	id "io.spring.dependency-management" version "1.0.11.RELEASE"
 	id "java"
 }
diff --git a/samples/default-authorizationserver/samples-default-authorizationserver.gradle b/samples/default-authorizationserver/samples-default-authorizationserver.gradle
index 838ebc08..5f91cf07 100644
--- a/samples/default-authorizationserver/samples-default-authorizationserver.gradle
+++ b/samples/default-authorizationserver/samples-default-authorizationserver.gradle
@@ -1,5 +1,5 @@
 plugins {
-	id "org.springframework.boot" version "2.7.0"
+	id "org.springframework.boot" version "3.0.0-M4"
 	id "io.spring.dependency-management" version "1.0.11.RELEASE"
 	id "java"
 }
diff --git a/samples/federated-identity-authorizationserver/samples-federated-identity-authorizationserver.gradle b/samples/federated-identity-authorizationserver/samples-federated-identity-authorizationserver.gradle
index d191ff0d..394fa9b4 100644
--- a/samples/federated-identity-authorizationserver/samples-federated-identity-authorizationserver.gradle
+++ b/samples/federated-identity-authorizationserver/samples-federated-identity-authorizationserver.gradle
@@ -1,5 +1,5 @@
 plugins {
-	id "org.springframework.boot" version "2.7.0"
+	id "org.springframework.boot" version "3.0.0-M4"
 	id "io.spring.dependency-management" version "1.0.11.RELEASE"
 	id "java"
 }
diff --git a/samples/messages-client/samples-messages-client.gradle b/samples/messages-client/samples-messages-client.gradle
index 35cd1a54..faec0c48 100644
--- a/samples/messages-client/samples-messages-client.gradle
+++ b/samples/messages-client/samples-messages-client.gradle
@@ -1,5 +1,5 @@
 plugins {
-	id "org.springframework.boot" version "2.7.0"
+	id "org.springframework.boot" version "3.0.0-M4"
 	id "io.spring.dependency-management" version "1.0.11.RELEASE"
 	id "java"
 }
diff --git a/samples/messages-resource/samples-messages-resource.gradle b/samples/messages-resource/samples-messages-resource.gradle
index a8fc0f58..880dae70 100644
--- a/samples/messages-resource/samples-messages-resource.gradle
+++ b/samples/messages-resource/samples-messages-resource.gradle
@@ -1,5 +1,5 @@
 plugins {
-	id "org.springframework.boot" version "2.7.0"
+	id "org.springframework.boot" version "3.0.0-M4"
 	id "io.spring.dependency-management" version "1.0.11.RELEASE"
 	id "java"
 }