diff --git a/source/sp-gda/gdaexpericence2/PayloadData/azure-cosmos-db-graph-api/Web/GraphExplorer/packages.config b/source/sp-gda/gdaexpericence2/PayloadData/azure-cosmos-db-graph-api/Web/GraphExplorer/packages.config
index d235a529..57191dbc 100644
--- a/source/sp-gda/gdaexpericence2/PayloadData/azure-cosmos-db-graph-api/Web/GraphExplorer/packages.config
+++ b/source/sp-gda/gdaexpericence2/PayloadData/azure-cosmos-db-graph-api/Web/GraphExplorer/packages.config
@@ -27,7 +27,7 @@
   <package id="Microsoft.IdentityModel.Logging" version="1.1.4" targetFramework="net452" />
   <package id="Microsoft.IdentityModel.Protocol.Extensions" version="1.0.4.403061554" targetFramework="net452" />
   <package id="Microsoft.IdentityModel.Tokens" version="5.1.4" targetFramework="net452" />
-  <package id="Microsoft.Owin" version="3.1.0" targetFramework="net452" />
+  <package id="Microsoft.Owin" version="4.0.0" targetFramework="net452" />
   <package id="Microsoft.Owin.Cors" version="3.1.0" targetFramework="net452" />
   <package id="Microsoft.Owin.Host.SystemWeb" version="3.1.0" targetFramework="net452" />
   <package id="Microsoft.Owin.Security" version="3.1.0" targetFramework="net452" />