diff --git a/openapi-generator-demo/pom.xml b/openapi-generator-demo/pom.xml
index baf52fcc..c1fc2fb1 100644
--- a/openapi-generator-demo/pom.xml
+++ b/openapi-generator-demo/pom.xml
@@ -87,7 +87,7 @@
             <plugin>
                 <groupId>org.springframework.boot</groupId>
                 <artifactId>spring-boot-maven-plugin</artifactId>
-                <version>2.7.18</version>
+                <version>4.0.0</version>
             </plugin>
             <plugin>
                 <groupId>org.openapitools</groupId>
diff --git a/pom.xml b/pom.xml
index 9ef51111..dac37c9b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -37,7 +37,7 @@
 
         <guava.mini.version>0.1.7</guava.mini.version>
         <jackson.version>2.20.1</jackson.version>
-        <spring.boot2.version>2.7.18</spring.boot2.version>
+        <spring.boot2.version>4.0.0</spring.boot2.version>
         <spring5.version>5.3.39</spring5.version>
         <spring.boot3.version>3.5.3</spring.boot3.version>
         <spring6.version>6.2.8</spring6.version>