diff --git a/lib/owin/Microsoft.Owin.Host.SystemWeb.dll b/lib/owin/Microsoft.Owin.Host.SystemWeb.dll
index a8e370b87..6c8d50b16 100644
Binary files a/lib/owin/Microsoft.Owin.Host.SystemWeb.dll and b/lib/owin/Microsoft.Owin.Host.SystemWeb.dll differ
diff --git a/lib/owin/Microsoft.Owin.dll b/lib/owin/Microsoft.Owin.dll
index 478c6c2f0..319321077 100644
Binary files a/lib/owin/Microsoft.Owin.dll and b/lib/owin/Microsoft.Owin.dll differ