diff --git a/src/React.Owin/React.Owin.csproj b/src/React.Owin/React.Owin.csproj
index fff94081b..f0cde4359 100644
--- a/src/React.Owin/React.Owin.csproj
+++ b/src/React.Owin/React.Owin.csproj
@@ -36,7 +36,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Owin" Version="3.1.0" />
+    <PackageReference Include="Microsoft.Owin" Version="4.1.1" />
     <PackageReference Include="Microsoft.Owin.FileSystems" Version="3.1.0" />
     <PackageReference Include="Microsoft.Owin.StaticFiles" Version="3.1.0" />
     <PackageReference Include="Microsoft.Sourcelink.Github" Version="1.0.0" PrivateAssets="All" />
diff --git a/src/React.Sample.Owin/React.Sample.Owin.csproj b/src/React.Sample.Owin/React.Sample.Owin.csproj
index a827c56d8..7dc3e9885 100644
--- a/src/React.Sample.Owin/React.Sample.Owin.csproj
+++ b/src/React.Sample.Owin/React.Sample.Owin.csproj
@@ -26,7 +26,7 @@
   <ItemGroup>
     <PackageReference Include="JavaScriptEngineSwitcher.V8" Version="3.1.6" />
     <PackageReference Include="JavaScriptEngineSwitcher.V8.Native.win-x64" Version="3.1.5" />
-    <PackageReference Include="Microsoft.Owin" Version="3.1.0" />
+    <PackageReference Include="Microsoft.Owin" Version="4.1.1" />
     <PackageReference Include="Microsoft.Owin.Diagnostics" Version="3.1.0" />
     <PackageReference Include="Microsoft.Owin.FileSystems" Version="3.1.0" />
     <PackageReference Include="Microsoft.Owin.Host.HttpListener" Version="3.1.0" />