diff --git a/dp2Command.Server/packages.config b/dp2Command.Server/packages.config
index bc065c96..3f5ee7f4 100644
--- a/dp2Command.Server/packages.config
+++ b/dp2Command.Server/packages.config
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="MongoDB.Bson" version="2.2.3" targetFramework="net45" />
-  <package id="MongoDB.Driver" version="2.2.3" targetFramework="net45" />
+  <package id="MongoDB.Driver" version="2.19.0" targetFramework="net45" />
   <package id="MongoDB.Driver.Core" version="2.2.3" targetFramework="net45" />
   <package id="Senparc.Weixin" version="4.5.1" targetFramework="net45" />
   <package id="Senparc.Weixin.MP" version="13.4.4" targetFramework="net45" />