diff --git a/oscova-pizza-bot/PizzaBot/packages.config b/oscova-pizza-bot/PizzaBot/packages.config
index e54d16b..7a73e9b 100644
--- a/oscova-pizza-bot/PizzaBot/packages.config
+++ b/oscova-pizza-bot/PizzaBot/packages.config
@@ -2,7 +2,7 @@
 <packages>
   <package id="Jint" version="2.11.58" targetFramework="net45" />
   <package id="Microsoft.AspNet.Cors" version="5.0.0" targetFramework="net45" />
-  <package id="Microsoft.Owin" version="3.1.0" targetFramework="net45" />
+  <package id="Microsoft.Owin" version="4.0.0" targetFramework="net45" />
   <package id="Microsoft.Owin.Cors" version="3.1.0" targetFramework="net45" />
   <package id="Microsoft.Owin.Host.HttpListener" version="3.1.0" targetFramework="net45" />
   <package id="Microsoft.Owin.Hosting" version="3.1.0" targetFramework="net45" />