diff --git a/README.md b/README.md
index 406b31e..d906ef8 100644
--- a/README.md
+++ b/README.md
@@ -41,3 +41,5 @@ There are different ways to contribute:
 Eventually sample programs to optimize and exercises will be needed (maybe).
 
 Coordination will be done in the #performance channel on the Gophers slack.
+
+You can [buy me a coffee](https://buymeacoff.ee/dgryski)