diff --git a/modules/samples/userguide/src/userguide/springbootdemo-tomcat11/pom.xml b/modules/samples/userguide/src/userguide/springbootdemo-tomcat11/pom.xml
index 365be43c31..2d2d16b54c 100644
--- a/modules/samples/userguide/src/userguide/springbootdemo-tomcat11/pom.xml
+++ b/modules/samples/userguide/src/userguide/springbootdemo-tomcat11/pom.xml
@@ -249,7 +249,7 @@
 	<dependency>
             <groupId>org.apache.httpcomponents.core5</groupId>
             <artifactId>httpcore5</artifactId>
-            <version>5.4.1</version>
+            <version>5.4.3</version>
         </dependency>
         <dependency>
             <groupId>org.apache.httpcomponents.client5</groupId>