diff --git a/src/Owin.Security.Providers.SlackProvider/packages.config b/src/Owin.Security.Providers.SlackProvider/packages.config
index cbfe6a2a..3211dd61 100644
--- a/src/Owin.Security.Providers.SlackProvider/packages.config
+++ b/src/Owin.Security.Providers.SlackProvider/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Microsoft.Owin" version="3.0.1" targetFramework="net45" />
+  <package id="Microsoft.Owin" version="4.2.2" targetFramework="net45" />
   <package id="Microsoft.Owin.Security" version="3.0.1" targetFramework="net45" />
   <package id="Newtonsoft.Json" version="8.0.3" targetFramework="net45" />
   <package id="Owin" version="1.0" targetFramework="net45" />