diff --git a/samples/CookieSample/project.json b/samples/CookieSample/project.json
index c5d7dde2cc..ea527d21dd 100644
--- a/samples/CookieSample/project.json
+++ b/samples/CookieSample/project.json
@@ -32,7 +32,7 @@
         "System.Resources.ResourceManager": "4.0.0.0",
         "System.Runtime": "4.0.20.0",
         "System.Runtime.Extensions": "4.0.10.0",
-        "System.Runtime.InteropServices": "4.0.10.0",
+        "System.Runtime.InteropServices": "4.0.20.0",
         "System.Text.Encoding": "4.0.10.0",
         "System.Threading.Tasks": "4.0.0.0"
       }