diff --git a/examples/example-exemplars-tail-sampling/example-greeting-service/pom.xml b/examples/example-exemplars-tail-sampling/example-greeting-service/pom.xml
index e5b03131e..7c542b39c 100644
--- a/examples/example-exemplars-tail-sampling/example-greeting-service/pom.xml
+++ b/examples/example-exemplars-tail-sampling/example-greeting-service/pom.xml
@@ -45,7 +45,7 @@
     <dependency>
       <groupId>org.apache.tomcat.embed</groupId>
       <artifactId>tomcat-embed-core</artifactId>
-      <version>11.0.18</version>
+      <version>11.0.21</version>
     </dependency>
   </dependencies>
 
diff --git a/examples/example-exemplars-tail-sampling/example-hello-world-app/pom.xml b/examples/example-exemplars-tail-sampling/example-hello-world-app/pom.xml
index 1e0fb9e21..e72bcae4b 100644
--- a/examples/example-exemplars-tail-sampling/example-hello-world-app/pom.xml
+++ b/examples/example-exemplars-tail-sampling/example-hello-world-app/pom.xml
@@ -45,7 +45,7 @@
     <dependency>
       <groupId>org.apache.tomcat.embed</groupId>
       <artifactId>tomcat-embed-core</artifactId>
-      <version>11.0.18</version>
+      <version>11.0.21</version>
     </dependency>
   </dependencies>
 
diff --git a/examples/example-exporter-servlet-tomcat/pom.xml b/examples/example-exporter-servlet-tomcat/pom.xml
index 8db79d976..c43254ebc 100644
--- a/examples/example-exporter-servlet-tomcat/pom.xml
+++ b/examples/example-exporter-servlet-tomcat/pom.xml
@@ -44,7 +44,7 @@
     <dependency>
       <groupId>org.apache.tomcat.embed</groupId>
       <artifactId>tomcat-embed-core</artifactId>
-      <version>11.0.18</version>
+      <version>11.0.21</version>
     </dependency>
   </dependencies>
 
diff --git a/integration-tests/it-exporter/it-exporter-servlet-tomcat-sample/pom.xml b/integration-tests/it-exporter/it-exporter-servlet-tomcat-sample/pom.xml
index 106dc7a73..d026766b8 100644
--- a/integration-tests/it-exporter/it-exporter-servlet-tomcat-sample/pom.xml
+++ b/integration-tests/it-exporter/it-exporter-servlet-tomcat-sample/pom.xml
@@ -33,7 +33,7 @@
     <dependency>
       <groupId>org.apache.tomcat.embed</groupId>
       <artifactId>tomcat-embed-core</artifactId>
-      <version>11.0.18</version>
+      <version>11.0.21</version>
     </dependency>
   </dependencies>