diff --git a/chapter10/gatewayserver/pom.xml b/chapter10/gatewayserver/pom.xml
index 2cc1974..c9376c2 100644
--- a/chapter10/gatewayserver/pom.xml
+++ b/chapter10/gatewayserver/pom.xml
@@ -54,7 +54,7 @@
 		<dependency>
 		    <groupId>org.json</groupId>
 		    <artifactId>json</artifactId>
-		    <version>20190722</version>
+		    <version>20230227</version>
 		</dependency>
 		<dependency>
 			<groupId>org.springframework.boot</groupId>