diff --git a/samples/EPiServer.Reference.Commerce.Site.Tests/packages.config b/samples/EPiServer.Reference.Commerce.Site.Tests/packages.config
index 094a1dc..a7486a0 100644
--- a/samples/EPiServer.Reference.Commerce.Site.Tests/packages.config
+++ b/samples/EPiServer.Reference.Commerce.Site.Tests/packages.config
@@ -25,7 +25,7 @@
   <package id="Microsoft.AspNet.WebApi.Core" version="5.2.3" targetFramework="net461" />
   <package id="Microsoft.AspNet.WebApi.Owin" version="5.2.3" targetFramework="net461" />
   <package id="Microsoft.AspNet.WebPages" version="3.2.3" targetFramework="net461" />
-  <package id="Microsoft.Owin" version="3.1.0" targetFramework="net461" />
+  <package id="Microsoft.Owin" version="4.1.1" targetFramework="net461" />
   <package id="Microsoft.Owin.Host.SystemWeb" version="3.1.0" targetFramework="net461" />
   <package id="Microsoft.Owin.Security" version="3.1.0" targetFramework="net461" />
   <package id="Microsoft.Owin.Security.Cookies" version="3.1.0" targetFramework="net461" />