diff --git a/springboot-chat-mvn-gradle-docker/build.gradle b/springboot-chat-mvn-gradle-docker/build.gradle
index 6071814..1ce0f5d 100644
--- a/springboot-chat-mvn-gradle-docker/build.gradle
+++ b/springboot-chat-mvn-gradle-docker/build.gradle
@@ -5,7 +5,7 @@
 plugins {
     id 'java'
     id 'maven-publish'
-    id 'org.springframework.boot' version '4.0.5'
+    id 'org.springframework.boot' version '4.0.6'
     id 'io.spring.dependency-management' version '1.1.7'
 }
 
@@ -17,11 +17,11 @@ repositories {
 }
 
 dependencies {
-    implementation 'org.springframework.boot:spring-boot-starter-websocket:4.0.5'
-    implementation 'org.springframework.boot:spring-boot-starter-amqp:4.0.5'
-    implementation 'org.springframework.boot:spring-boot-starter-reactor-netty:4.0.5'
-    runtimeOnly 'org.springframework.boot:spring-boot-devtools:4.0.5'
-    testImplementation 'org.springframework.boot:spring-boot-starter-test:4.0.5'
+    implementation 'org.springframework.boot:spring-boot-starter-websocket:4.0.6'
+    implementation 'org.springframework.boot:spring-boot-starter-amqp:4.0.6'
+    implementation 'org.springframework.boot:spring-boot-starter-reactor-netty:4.0.6'
+    runtimeOnly 'org.springframework.boot:spring-boot-devtools:4.0.6'
+    testImplementation 'org.springframework.boot:spring-boot-starter-test:4.0.6'
 }
 
 group = 'com.example'