diff --git a/tomcat/examples/spring-mvc-showcase/pom.xml b/tomcat/examples/spring-mvc-showcase/pom.xml
index f1d270d..127da4c 100644
--- a/tomcat/examples/spring-mvc-showcase/pom.xml
+++ b/tomcat/examples/spring-mvc-showcase/pom.xml
@@ -45,7 +45,7 @@
 		<dependency>
 			<groupId>org.apache.logging.log4j</groupId>
 			<artifactId>log4j-core</artifactId>
-			<version>2.13.2</version>
+			<version>2.17.1</version>
 		</dependency>
 		<dependency>
 			<groupId>org.apache.logging.log4j</groupId>