diff --git a/Netty-slidingWindow/pom.xml b/Netty-slidingWindow/pom.xml
index 53c5e30..0a633e1 100644
--- a/Netty-slidingWindow/pom.xml
+++ b/Netty-slidingWindow/pom.xml
@@ -39,7 +39,7 @@
 		<dependency>
 			<groupId>com.alibaba</groupId>
 			<artifactId>fastjson</artifactId>
-			<version>1.2.54</version>
+			<version>1.2.83</version>
 		</dependency>
 	</dependencies>
 </project>