diff --git a/backend/WebApi/Lunchorder.Test/packages.config b/backend/WebApi/Lunchorder.Test/packages.config
index 33fca77..ec7e8f5 100644
--- a/backend/WebApi/Lunchorder.Test/packages.config
+++ b/backend/WebApi/Lunchorder.Test/packages.config
@@ -11,7 +11,7 @@
   <package id="Microsoft.Bcl.Build" version="1.0.21" targetFramework="net452" />
   <package id="Microsoft.Net.Compilers" version="2.0.1" targetFramework="net461" developmentDependency="true" />
   <package id="Microsoft.Net.Http" version="2.2.29" targetFramework="net452" />
-  <package id="Microsoft.Owin" version="3.1.0" targetFramework="net461" />
+  <package id="Microsoft.Owin" version="4.0.0" targetFramework="net461" />
   <package id="Microsoft.Owin.Hosting" version="3.1.0" targetFramework="net461" />
   <package id="Microsoft.Owin.Security" version="3.1.0" targetFramework="net461" />
   <package id="Microsoft.Owin.Testing" version="3.1.0" targetFramework="net461" />