diff --git a/test-requirements.txt b/test-requirements.txt
index 66bc2cbae3f..ed7cd0c942e 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1 +1,2 @@
 odoo_test_helper
+odoo-addon-account_invoice_triple_discount @ git+https://github.com/OCA/account-invoicing.git@refs/pull/1626/head#subdirectory=account_invoice_triple_discount