diff --git a/source/_tests/Owin.Scim.Tests/packages.config b/source/_tests/Owin.Scim.Tests/packages.config
index 53497a7..b25b63c 100644
--- a/source/_tests/Owin.Scim.Tests/packages.config
+++ b/source/_tests/Owin.Scim.Tests/packages.config
@@ -10,7 +10,7 @@
   <package id="Microsoft.AspNet.WebApi.Client" version="5.2.3" targetFramework="net451" />
   <package id="Microsoft.AspNet.WebApi.Core" version="5.2.3" targetFramework="net451" />
   <package id="Microsoft.AspNet.WebApi.Owin" version="5.2.3" targetFramework="net451" />
-  <package id="Microsoft.Owin" version="3.0.1" targetFramework="net451" />
+  <package id="Microsoft.Owin" version="4.1.1" targetFramework="net451" />
   <package id="Microsoft.Owin.Hosting" version="3.0.1" targetFramework="net451" />
   <package id="Microsoft.Owin.Testing" version="3.0.1" targetFramework="net451" />
   <package id="NContext" version="4.0.0.15" targetFramework="net451" />