diff --git a/cola-core/pom.xml b/cola-core/pom.xml
index 8f3d06d..8000cdf 100644
--- a/cola-core/pom.xml
+++ b/cola-core/pom.xml
@@ -53,7 +53,7 @@
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-all</artifactId>
-            <version>4.1.22.Final</version>
+            <version>4.1.42.Final</version>
         </dependency>
 
         <!--spring-->