diff --git a/README.md b/README.md
index 7e2c122..d39f1bc 100644
--- a/README.md
+++ b/README.md
@@ -19,6 +19,7 @@ All of these services, except Posteo, support custom domains — using a custom
 | Hushmail    | <https://www.hushmail.com> | Canada      |
 | Kolabnow    | <https://kolabnow.com>     | Switzerland |
 | iCloud      | <https://icloud.com/mail>  | US          |
+| HEY         | <https://hey.com>          | US          |
 
 [^1]: Email is typically about as private as a postcard given its distributed nature but, do your research and choose
 the best provider for your particular threat model.