diff --git a/kafka-manager-web/pom.xml b/kafka-manager-web/pom.xml
index f6d315fb..17504ca7 100644
--- a/kafka-manager-web/pom.xml
+++ b/kafka-manager-web/pom.xml
@@ -19,7 +19,7 @@
         <springframework.boot.version>2.1.1.RELEASE</springframework.boot.version>
         <spring-version>5.1.3.RELEASE</spring-version>
         <failOnMissingWebXml>false</failOnMissingWebXml>
-        <tomcat.version>8.5.56</tomcat.version>
+        <tomcat.version>8.5.66</tomcat.version>
     </properties>
 
     <dependencies>
diff --git a/pom.xml b/pom.xml
index 2da00d65..4a7787de 100644
--- a/pom.xml
+++ b/pom.xml
@@ -26,7 +26,7 @@
         <java_target_version>1.8</java_target_version>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <file_encoding>UTF-8</file_encoding>
-        <tomcat.version>8.5.56</tomcat.version>
+        <tomcat.version>8.5.66</tomcat.version>
     </properties>
 
     <modules>