diff --git a/OwinFundamentals/20-Owin-Simple-WebApi/packages.config b/OwinFundamentals/20-Owin-Simple-WebApi/packages.config
index 2c462df80..97a0b23bb 100644
--- a/OwinFundamentals/20-Owin-Simple-WebApi/packages.config
+++ b/OwinFundamentals/20-Owin-Simple-WebApi/packages.config
@@ -4,7 +4,7 @@
   <package id="Microsoft.AspNet.WebApi.Core" version="5.2.3" targetFramework="net46" userInstalled="true" />
   <package id="Microsoft.AspNet.WebApi.Owin" version="5.2.3" targetFramework="net46" userInstalled="true" />
   <package id="Microsoft.AspNet.WebApi.OwinSelfHost" version="5.2.3" targetFramework="net46" userInstalled="true" />
-  <package id="Microsoft.Owin" version="3.0.1" targetFramework="net46" userInstalled="true" />
+  <package id="Microsoft.Owin" version="4.2.2" targetFramework="net46" userInstalled="true" />
   <package id="Microsoft.Owin.Diagnostics" version="3.0.1" targetFramework="net46" userInstalled="true" />
   <package id="Microsoft.Owin.Host.HttpListener" version="3.0.1" targetFramework="net46" userInstalled="true" />
   <package id="Microsoft.Owin.Hosting" version="3.0.1" targetFramework="net46" userInstalled="true" />