diff --git a/Xenon.Tests/packages.config b/Xenon.Tests/packages.config
index 0b386b3..dbdf83d 100644
--- a/Xenon.Tests/packages.config
+++ b/Xenon.Tests/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Microsoft.Owin" version="3.0.0" targetFramework="net451" />
+  <package id="Microsoft.Owin" version="4.2.2" targetFramework="net451" />
   <package id="Microsoft.Owin.Hosting" version="3.0.0" targetFramework="net451" />
   <package id="Moq" version="4.2.1409.1722" targetFramework="net451" />
   <package id="Nowin" version="0.13.2.0" targetFramework="net451" />