diff --git a/QBitNinja/QBitNinja.Tests/packages.config b/QBitNinja/QBitNinja.Tests/packages.config
index 74241bd0..ba6dbd6d 100644
--- a/QBitNinja/QBitNinja.Tests/packages.config
+++ b/QBitNinja/QBitNinja.Tests/packages.config
@@ -13,7 +13,7 @@
   <package id="Microsoft.Extensions.Logging.Abstractions" version="2.2.0-preview3-35497" targetFramework="net471" />
   <package id="Microsoft.Extensions.Primitives" version="2.2.0-preview3-35497" targetFramework="net471" />
   <package id="Microsoft.NETCore.Platforms" version="2.0.1" targetFramework="net471" />
-  <package id="Microsoft.Owin" version="3.1.0" targetFramework="net471" />
+  <package id="Microsoft.Owin" version="4.0.0" targetFramework="net471" />
   <package id="Microsoft.Owin.Host.HttpListener" version="3.1.0" targetFramework="net471" />
   <package id="Microsoft.Owin.Hosting" version="3.1.0" targetFramework="net471" />
   <package id="Microsoft.Win32.Primitives" version="4.3.0" targetFramework="net471" />