diff --git a/custom-login/pom.xml b/custom-login/pom.xml
index 4d70862..2ce2476 100644
--- a/custom-login/pom.xml
+++ b/custom-login/pom.xml
@@ -56,7 +56,7 @@
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-thymeleaf</artifactId>
-            <version>3.5.3</version>
+            <version>4.0.0</version>
         </dependency>
         <dependency>
             <groupId>org.springframework.security</groupId>