diff --git a/Formula/aerc-contacts.rb b/Formula/aerc-contacts.rb
index 45830f8..8d0dba0 100644
--- a/Formula/aerc-contacts.rb
+++ b/Formula/aerc-contacts.rb
@@ -4,6 +4,7 @@ class AercContacts < Formula
   url "https://git.sr.ht/~crocmagnon/aerc-contacts-macos", :tag => "0.1.0", :using => :git
   sha256 "d415b1ac07865941fe3db77d2f1d2888d47f03759959bde47bbc7b6f2146945c"
   head "https://git.sr.ht/~crocmagnon/aerc-contacts-macos", :using => :git
+  license "MIT"
 
   depends_on :xcode => ["10.0", :build]