diff --git a/20182019/servlet_usage_correction/pom.xml b/20182019/servlet_usage_correction/pom.xml
index c9caab2..3cb3f20 100644
--- a/20182019/servlet_usage_correction/pom.xml
+++ b/20182019/servlet_usage_correction/pom.xml
@@ -15,7 +15,7 @@
 		<relativePath /> <!-- lookup parent from repository -->
 	</parent>
 	<properties>
-		<tomcat.version>8.5.2</tomcat.version>
+		<tomcat.version>8.5.61</tomcat.version>
 	</properties>
 	<dependencies>
 		<dependency>