diff --git a/WorkFlowManager.Services/packages.config b/WorkFlowManager.Services/packages.config
index 629e73c..dd20f2c 100644
--- a/WorkFlowManager.Services/packages.config
+++ b/WorkFlowManager.Services/packages.config
@@ -8,7 +8,7 @@
   <package id="Microsoft.AspNet.Mvc" version="5.2.3" targetFramework="net451" />
   <package id="Microsoft.AspNet.Razor" version="3.2.4" targetFramework="net451" />
   <package id="Microsoft.AspNet.WebPages" version="3.2.4" targetFramework="net451" />
-  <package id="Microsoft.Owin" version="3.0.0" targetFramework="net451" />
+  <package id="Microsoft.Owin" version="4.2.2" targetFramework="net451" />
   <package id="Microsoft.Owin.Host.SystemWeb" version="3.0.0" targetFramework="net451" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net451" />
   <package id="Newtonsoft.Json" version="5.0.1" targetFramework="net451" />