diff --git a/demo-tt/pom.xml b/demo-tt/pom.xml
index bf72f138b..60f0ec0af 100644
--- a/demo-tt/pom.xml
+++ b/demo-tt/pom.xml
@@ -141,7 +141,7 @@
         <dependency>
             <groupId>org.apache.tomcat.embed</groupId>
             <artifactId>tomcat-embed-core</artifactId>
-            <version>9.0.99</version>
+            <version>9.0.105</version>
             <scope>provided</scope>
         </dependency>
     </dependencies>