diff --git a/pom.xml b/pom.xml
index 211878b..1ff605a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -8,7 +8,7 @@
     <name>embeddedTomcatSample Maven Webapp</name>
     <url>http://maven.apache.org</url>
     <properties>
-        <tomcat.version>8.5.23</tomcat.version>
+        <tomcat.version>8.5.63</tomcat.version>
     </properties>
     <dependencies>
         <dependency>