diff --git a/README.md b/README.md
index af7751a..2700091 100644
--- a/README.md
+++ b/README.md
@@ -267,4 +267,4 @@ brew install openssl
 ## License
 
 [Polyform Noncommercial 1.0.0](LICENSE) — free for personal and non-commercial use.  
-Commercial licensing: [bruno.deanoz1@gmail.com](mailto:bruno.deanoz1@gmail.com).
+Commercial licensing: [bruno.deanoz@protonmail.com](mailto:bruno.deanoz@protonmail.com).