diff --git a/spring-security-modules/spring-security-web-boot-4/README.md b/spring-security-modules/spring-security-web-boot-4/README.md
index 0856315682..caec447846 100644
--- a/spring-security-modules/spring-security-web-boot-4/README.md
+++ b/spring-security-modules/spring-security-web-boot-4/README.md
@@ -7,4 +7,5 @@ The "REST With Spring" Classes: http://github.learnspringsecurity.com
 
 ### Relevant Articles:
 
+- [Spring Security: Upgrading the Deprecated WebSecurityConfigurerAdapter](https://www.baeldung.com/spring-deprecated-websecurityconfigureradapter)
 - More articles: [[<-- prev]](/spring-security-modules/spring-security-web-boot-3)