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 ba258775c..a64e3a13e 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:3.1.0")) {
+	implementation(platform("org.springframework.boot:spring-boot-dependencies:3.1.4")) {
 		exclude group: "org.springframework.security", module: "spring-security-oauth2-authorization-server"
 	}
 	implementation platform("org.springframework.security:spring-security-bom:6.1.0")
diff --git a/samples/default-authorizationserver/samples-default-authorizationserver.gradle b/samples/default-authorizationserver/samples-default-authorizationserver.gradle
index e84b55ea6..5af8d1440 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 "3.1.0"
+	id "org.springframework.boot" version "3.1.4"
 	id "io.spring.dependency-management" version "1.1.0"
 	id "java"
 }
diff --git a/samples/demo-authorizationserver/samples-demo-authorizationserver.gradle b/samples/demo-authorizationserver/samples-demo-authorizationserver.gradle
index 34dc94055..7ffc5e3d0 100644
--- a/samples/demo-authorizationserver/samples-demo-authorizationserver.gradle
+++ b/samples/demo-authorizationserver/samples-demo-authorizationserver.gradle
@@ -1,5 +1,5 @@
 plugins {
-	id "org.springframework.boot" version "3.1.0"
+	id "org.springframework.boot" version "3.1.4"
 	id "io.spring.dependency-management" version "1.1.0"
 	id "java"
 }
diff --git a/samples/demo-client/samples-demo-client.gradle b/samples/demo-client/samples-demo-client.gradle
index 6e0178f0a..baf4ed752 100644
--- a/samples/demo-client/samples-demo-client.gradle
+++ b/samples/demo-client/samples-demo-client.gradle
@@ -1,5 +1,5 @@
 plugins {
-	id "org.springframework.boot" version "3.1.0"
+	id "org.springframework.boot" version "3.1.4"
 	id "io.spring.dependency-management" version "1.1.0"
 	id "java"
 }
diff --git a/samples/messages-resource/samples-messages-resource.gradle b/samples/messages-resource/samples-messages-resource.gradle
index f9d29debd..31ddb7431 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 "3.1.0"
+	id "org.springframework.boot" version "3.1.4"
 	id "io.spring.dependency-management" version "1.1.0"
 	id "java"
 }