diff --git a/test-requirements.txt b/test-requirements.txt
new file mode 100644
index 00000000..ff262a75
--- /dev/null
+++ b/test-requirements.txt
@@ -0,0 +1 @@
+odoo-addon-mail_composer_cc_bcc @ git+https://github.com/OCA/mail.git@refs/pull/3/head#subdirectory=mail_composer_cc_bcc