diff --git a/spring-boot-1x/ff4j-sample-springcloudconfig-server/pom.xml b/spring-boot-1x/ff4j-sample-springcloudconfig-server/pom.xml
index 06ed2d4..1a68abb 100644
--- a/spring-boot-1x/ff4j-sample-springcloudconfig-server/pom.xml
+++ b/spring-boot-1x/ff4j-sample-springcloudconfig-server/pom.xml
@@ -32,7 +32,7 @@
 		<dependency>
 			<groupId>org.ff4j</groupId>
 			<artifactId>ff4j-utils-json</artifactId>
-			<version>1.8.1</version>
+			<version>2.1</version>
 		</dependency>
 
         <!-- Spring Cloud Config -->