diff --git a/Middleware/Lab4/pom.xml b/Middleware/Lab4/pom.xml
index 8a0ac82..2cbcb8d 100644
--- a/Middleware/Lab4/pom.xml
+++ b/Middleware/Lab4/pom.xml
@@ -81,7 +81,7 @@
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-web</artifactId>
-            <version>2.1.9.RELEASE</version>
+            <version>2.5.12</version>
             <scope>compile</scope>
         </dependency>
         <dependency>