diff --git a/yycms.admin/packages.config b/yycms.admin/packages.config
index 8689e3c..a8aa3c3 100644
--- a/yycms.admin/packages.config
+++ b/yycms.admin/packages.config
@@ -2,7 +2,7 @@
 <packages>
   <package id="Antlr" version="3.5.0.2" targetFramework="net45" />
   <package id="bootstrap" version="3.3.5" targetFramework="net45" />
-  <package id="DotNetZip" version="1.9.6" targetFramework="net45" />
+  <package id="DotNetZip" version="1.11.0" targetFramework="net45" />
   <package id="EntityFramework" version="6.1.3" targetFramework="net45" />
   <package id="EntityFramework.zh-Hans" version="6.1.3" targetFramework="net45" />
   <package id="HtmlAgilityPack" version="1.4.9" targetFramework="net45" />