diff --git a/PicnicAuth/PicnicAuth.Api/packages.config b/PicnicAuth/PicnicAuth.Api/packages.config
index b3bb33c..7858514 100644
--- a/PicnicAuth/PicnicAuth.Api/packages.config
+++ b/PicnicAuth/PicnicAuth.Api/packages.config
@@ -36,7 +36,7 @@
   <package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="1.0.8" targetFramework="net46" />
   <package id="Microsoft.jQuery.Unobtrusive.Validation" version="3.2.3" targetFramework="net46" />
   <package id="Microsoft.Net.Compilers" version="2.4.0" targetFramework="net46" developmentDependency="true" />
-  <package id="Microsoft.Owin" version="3.1.0" targetFramework="net46" />
+  <package id="Microsoft.Owin" version="4.1.1" targetFramework="net46" />
   <package id="Microsoft.Owin.Host.SystemWeb" version="3.1.0" targetFramework="net46" />
   <package id="Microsoft.Owin.Security" version="3.1.0" targetFramework="net46" />
   <package id="Microsoft.Owin.Security.Cookies" version="3.1.0" targetFramework="net46" />