diff --git a/simple-ecommerce-site/pom.xml b/simple-ecommerce-site/pom.xml
index 8f9f6dbb..ad983495 100644
--- a/simple-ecommerce-site/pom.xml
+++ b/simple-ecommerce-site/pom.xml
@@ -210,7 +210,7 @@
 		<dependency>
 			<groupId>org.springframework.security</groupId>
 			<artifactId>spring-security-core</artifactId>
-			<version>3.2.0.RELEASE</version>
+			<version>4.2.17.RELEASE</version>
 		</dependency>
 		<dependency>
 			<groupId>org.springframework.security</groupId>