diff --git a/.gitmodules b/.gitmodules
index 24cb44ff..d6fc7e5f 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -39,3 +39,6 @@
 [submodule "external/hibou-oca/connector-magento"]
 	path = external/hibou-oca/connector-magento
 	url = https://github.com/hibou-io/oca-connector-magento.git
+[submodule "external/hibou-oca/purchase-workflow"]
+	path = external/hibou-oca/purchase-workflow
+	url = https://github.com/hibou-io/oca-purchase-workflow.git
diff --git a/external/hibou-oca/purchase-workflow b/external/hibou-oca/purchase-workflow
new file mode 160000
index 00000000..cafb62ab
--- /dev/null
+++ b/external/hibou-oca/purchase-workflow
@@ -0,0 +1 @@
+Subproject commit cafb62abc97d487a51bd48053ea2c7108384db92