diff --git a/ScheduleControl/ScheduleControl.WebAPI/ScheduleControl.WebAPI.csproj b/ScheduleControl/ScheduleControl.WebAPI/ScheduleControl.WebAPI.csproj
index 25e01f0..e24f342 100644
--- a/ScheduleControl/ScheduleControl.WebAPI/ScheduleControl.WebAPI.csproj
+++ b/ScheduleControl/ScheduleControl.WebAPI/ScheduleControl.WebAPI.csproj
@@ -5,7 +5,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Owin" Version="3.0.1" />
+    <PackageReference Include="Microsoft.Owin" Version="4.1.1" />
   </ItemGroup>