diff --git a/AdSystem/AdSystem.csproj b/AdSystem/AdSystem.csproj
index 79de597..afa10e7 100644
--- a/AdSystem/AdSystem.csproj
+++ b/AdSystem/AdSystem.csproj
@@ -9,7 +9,7 @@
     <PackageReference Include="Flurl" Version="2.8.2" />
     <PackageReference Include="Isopoh.Cryptography.Argon2" Version="1.1.2" />
     <PackageReference Include="Microsoft.AspNetCore.Hosting" Version="2.2.0" />
-    <PackageReference Include="Microsoft.AspNetCore.Owin" Version="2.2.0" />
+    <PackageReference Include="Microsoft.AspNetCore.Owin" Version="3.1.8" />
     <PackageReference Include="Microsoft.AspNetCore.Server.Kestrel" Version="2.2.0" />
     <PackageReference Include="Microsoft.EntityFrameworkCore" Version="2.2.4" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Relational" Version="2.2.4" />