diff --git a/Chapter2_Developing web app/pom.xml b/Chapter2_Developing web app/pom.xml
index 0d62df1..740c5de 100644
--- a/Chapter2_Developing web app/pom.xml	
+++ b/Chapter2_Developing web app/pom.xml	
@@ -115,7 +115,7 @@
         <dependency>
             <groupId>org.apache.tomcat.embed</groupId>
             <artifactId>tomcat-embed-core</artifactId>
-            <version>9.0.41</version>
+            <version>9.0.43</version>
         </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>