diff --git a/test-requirements.txt b/test-requirements.txt
new file mode 100644
index 0000000000..d1cbf14959
--- /dev/null
+++ b/test-requirements.txt
@@ -0,0 +1 @@
+odoo-addon-operating_unit @ git+https://github.com/OCA/operating-unit.git@refs/pull/667/head#subdirectory=operating_unit