diff --git a/sapHowmuch.Api.Web/packages.config b/sapHowmuch.Api.Web/packages.config
index 8ea15e7..b53d413 100644
--- a/sapHowmuch.Api.Web/packages.config
+++ b/sapHowmuch.Api.Web/packages.config
@@ -37,7 +37,7 @@
   <package id="Microsoft.IdentityModel.Logging" version="1.1.3" targetFramework="net461" />
   <package id="Microsoft.IdentityModel.Tokens" version="5.1.3" targetFramework="net461" />
   <package id="Microsoft.Net.Compilers" version="1.0.0" targetFramework="net461" developmentDependency="true" />
-  <package id="Microsoft.Owin" version="3.0.1" targetFramework="net461" />
+  <package id="Microsoft.Owin" version="4.0.0" targetFramework="net461" />
   <package id="Microsoft.Owin.Cors" version="3.0.1" targetFramework="net461" />
   <package id="Microsoft.Owin.Host.SystemWeb" version="3.0.1" targetFramework="net461" />
   <package id="Microsoft.Owin.Host.SystemWeb.ko" version="3.0.1" targetFramework="net461" />