diff --git a/simple-users/pom.xml b/simple-users/pom.xml
index 9da08c2..0df61af 100644
--- a/simple-users/pom.xml
+++ b/simple-users/pom.xml
@@ -38,7 +38,7 @@
 	<properties>
 		<org.slf4j-version>1.7.5</org.slf4j-version>
 		<org.springframework-version>5.1.5.RELEASE</org.springframework-version>
-		<spring-security-version>5.2.4.RELEASE</spring-security-version>
+		<spring-security-version>5.3.4.RELEASE</spring-security-version>
 		<spring-data.version>Lovelace-RELEASE</spring-data.version>
 		<thymeleaf.version>3.0.11.RELEASE</thymeleaf.version>