diff --git a/TSOClient/FSO.Server/packages.config b/TSOClient/FSO.Server/packages.config
index 6a5d172d4..68c02025a 100644
--- a/TSOClient/FSO.Server/packages.config
+++ b/TSOClient/FSO.Server/packages.config
@@ -12,7 +12,7 @@
   <package id="Microsoft.AspNet.WebApi.OwinSelfHost" version="5.2.3" targetFramework="net45" />
   <package id="Microsoft.CSharp" version="4.3.0" targetFramework="net45" />
   <package id="Microsoft.NETCore.Platforms" version="1.1.0" targetFramework="net45" />
-  <package id="Microsoft.Owin" version="3.0.1" targetFramework="net45" />
+  <package id="Microsoft.Owin" version="4.2.2" targetFramework="net45" />
   <package id="Microsoft.Owin.Cors" version="3.0.1" targetFramework="net45" />
   <package id="Microsoft.Owin.Host.HttpListener" version="2.0.2" targetFramework="net45" />
   <package id="Microsoft.Owin.Hosting" version="2.0.2" targetFramework="net45" />