diff --git a/src/HonestMiddleware/HonestMiddleware.csproj b/src/HonestMiddleware/HonestMiddleware.csproj
index 1ae0a23..e7f19c7 100644
--- a/src/HonestMiddleware/HonestMiddleware.csproj
+++ b/src/HonestMiddleware/HonestMiddleware.csproj
@@ -31,7 +31,7 @@ app.Use<string, PathString>("{'greeting':'Hello!'}", new PathString("/hell
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Owin" Version="3.1.0" />
+    <PackageReference Include="Microsoft.Owin" Version="4.2.2" />
     <PackageReference Include="Owin" Version="1.0.0" />
   </ItemGroup>