diff --git a/Topic 7 Spring Security/Topic 7 Spring Security/3.SpringSecurity_CustomUserDetailsService_AjaxHandler/pom.xml b/Topic 7 Spring Security/Topic 7 Spring Security/3.SpringSecurity_CustomUserDetailsService_AjaxHandler/pom.xml
index fe61e121..edc025d1 100644
--- a/Topic 7 Spring Security/Topic 7 Spring Security/3.SpringSecurity_CustomUserDetailsService_AjaxHandler/pom.xml	
+++ b/Topic 7 Spring Security/Topic 7 Spring Security/3.SpringSecurity_CustomUserDetailsService_AjaxHandler/pom.xml	
@@ -92,7 +92,7 @@
 		<dependency>
 			<groupId>org.postgresql</groupId>
 			<artifactId>postgresql</artifactId>
-			<version>42.1.1</version>
+			<version>42.4.1</version>
 		</dependency>
 
 		<dependency>