diff --git a/pom.xml b/pom.xml
index ee9f5aa..b5fe43a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -7,7 +7,7 @@
     <artifactId>jsf-test</artifactId>
     <version>1.0-SNAPSHOT</version>
     <properties>
-        <tomcat.version>8.5.42</tomcat.version>
+        <tomcat.version>9.0.31</tomcat.version>
         <jsf.version>2.1.7</jsf.version>
     </properties>
     <dependencies>