diff --git a/modules/samples/userguide/src/userguide/springbootdemo-tomcat11/pom.xml b/modules/samples/userguide/src/userguide/springbootdemo-tomcat11/pom.xml
index 95eb664dca..278fb52d1c 100644
--- a/modules/samples/userguide/src/userguide/springbootdemo-tomcat11/pom.xml
+++ b/modules/samples/userguide/src/userguide/springbootdemo-tomcat11/pom.xml
@@ -210,7 +210,7 @@
         <dependency>
             <groupId>org.apache.httpcomponents.core5</groupId>
             <artifactId>httpcore5-h2</artifactId>
-            <version>5.4.1</version>
+            <version>5.4.3</version>
         </dependency>
         <!-- Axiom (XML object model — still needed by kernel internals) -->
         <dependency>