diff --git a/InMemoryDataService/packages.config b/InMemoryDataService/packages.config
index d74068b..bbe42b3 100644
--- a/InMemoryDataService/packages.config
+++ b/InMemoryDataService/packages.config
@@ -3,7 +3,7 @@
   <package id="Microsoft.AspNet.WebApi.Client" version="5.2.6" targetFramework="net471" />
   <package id="Microsoft.AspNet.WebApi.Core" version="5.2.6" targetFramework="net471" />
   <package id="Microsoft.AspNet.WebApi.Owin" version="5.2.6" targetFramework="net471" />
-  <package id="Microsoft.Owin" version="4.0.0" targetFramework="net471" />
+  <package id="Microsoft.Owin" version="4.2.2" targetFramework="net471" />
   <package id="Microsoft.Owin.Host.HttpListener" version="4.0.0" targetFramework="net471" />
   <package id="Microsoft.Owin.Host.SystemWeb" version="4.0.0" targetFramework="net471" />
   <package id="Microsoft.Owin.Hosting" version="4.0.0" targetFramework="net471" />