diff --git a/src/netstandard/Extensions/WampSharp.Owin/WampSharp.Owin.csproj b/src/netstandard/Extensions/WampSharp.Owin/WampSharp.Owin.csproj
index ad791f6e..86853ce9 100644
--- a/src/netstandard/Extensions/WampSharp.Owin/WampSharp.Owin.csproj
+++ b/src/netstandard/Extensions/WampSharp.Owin/WampSharp.Owin.csproj
@@ -13,6 +13,6 @@
     <ProjectReference Include="..\WampSharp.WebSockets\WampSharp.WebSockets.csproj" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.Owin" Version="3.0.1" />
+    <PackageReference Include="Microsoft.Owin" Version="4.1.1" />
   </ItemGroup>
 </Project>
\ No newline at end of file