diff --git a/examples/iOS-Hybrid-App-Java-Server/pom.xml b/examples/iOS-Hybrid-App-Java-Server/pom.xml
index 7ec2cfc1..cac46f9c 100644
--- a/examples/iOS-Hybrid-App-Java-Server/pom.xml
+++ b/examples/iOS-Hybrid-App-Java-Server/pom.xml
@@ -144,7 +144,7 @@
         <dependency>
             <groupId>org.apache.tomcat.embed</groupId>
             <artifactId>tomcat-embed-core</artifactId>
-            <version>11.0.18</version>
+            <version>11.0.21</version>
             <exclusions>
                 <exclusion>
                     <groupId>org.apache.tomcat</groupId>
@@ -160,7 +160,7 @@
         <dependency>
             <groupId>org.apache.tomcat.embed</groupId>
             <artifactId>tomcat-embed-websocket</artifactId>
-            <version>11.0.12</version>
+            <version>11.0.21</version>
         </dependency>
         <dependency>
             <groupId>org.apache.tomcat.embed</groupId>