diff --git a/samples/aad-api-spo-cookie/api/pnp.api.contosoorders/packages.config b/samples/aad-api-spo-cookie/api/pnp.api.contosoorders/packages.config
index 9a5c97f42..91577d41e 100644
--- a/samples/aad-api-spo-cookie/api/pnp.api.contosoorders/packages.config
+++ b/samples/aad-api-spo-cookie/api/pnp.api.contosoorders/packages.config
@@ -17,7 +17,7 @@
   <package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="1.0.0" targetFramework="net452" />
   <package id="Microsoft.IdentityModel.Protocol.Extensions" version="1.0.0" targetFramework="net452" />
   <package id="Microsoft.Net.Compilers" version="1.0.0" targetFramework="net452" developmentDependency="true" />
-  <package id="Microsoft.Owin" version="3.1.0" targetFramework="net452" />
+  <package id="Microsoft.Owin" version="4.0.0" targetFramework="net452" />
   <package id="Microsoft.Owin.Host.SystemWeb" version="3.0.1" targetFramework="net452" />
   <package id="Microsoft.Owin.Security" version="3.1.0" targetFramework="net452" />
   <package id="Microsoft.Owin.Security.ActiveDirectory" version="3.0.1" targetFramework="net452" />