diff --git a/b2c-parent/pom.xml b/b2c-parent/pom.xml
index 3631c69..e6f0ee0 100644
--- a/b2c-parent/pom.xml
+++ b/b2c-parent/pom.xml
@@ -71,7 +71,7 @@
             <dependency>
                 <groupId>io.netty</groupId>
                 <artifactId>netty-all</artifactId>
-                <version>4.1.16.Final</version>
+                <version>4.1.42.Final</version>
             </dependency>
             <dependency>
                 <groupId>com.alibaba</groupId>