diff --git a/accounts-mod06-debugging-starter/pom.xml b/accounts-mod06-debugging-starter/pom.xml
index b83be70..2ef76a9 100644
--- a/accounts-mod06-debugging-starter/pom.xml
+++ b/accounts-mod06-debugging-starter/pom.xml
@@ -106,7 +106,7 @@
     	<dependency>
             <groupId>org.springframework.security</groupId>
             <artifactId>spring-security-core</artifactId>
-            <version>4.0.4.RELEASE</version>
+            <version>5.5.7</version>
         </dependency>
     	<dependency>
             <groupId>org.springframework</groupId>