diff --git a/source/Funbit.Ets.Telemetry.Server/packages.config b/source/Funbit.Ets.Telemetry.Server/packages.config
index c20e697f..474fa9ff 100644
--- a/source/Funbit.Ets.Telemetry.Server/packages.config
+++ b/source/Funbit.Ets.Telemetry.Server/packages.config
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="CommonServiceLocator" version="1.3" targetFramework="net45" />
-  <package id="log4net" version="2.0.3" targetFramework="net45" />
+  <package id="log4net" version="2.0.10" targetFramework="net45" />
   <package id="Microsoft.AspNet.Cors" version="5.0.0" targetFramework="net45" />
   <package id="Microsoft.AspNet.SignalR.Core" version="2.2.0" targetFramework="net45" />
   <package id="Microsoft.AspNet.SignalR.SelfHost" version="2.2.0" targetFramework="net45" />