diff --git a/account_invoice_facturx/__manifest__.py b/account_invoice_facturx/__manifest__.py
index b88eef012a..2c2777af48 100644
--- a/account_invoice_facturx/__manifest__.py
+++ b/account_invoice_facturx/__manifest__.py
@@ -17,7 +17,7 @@
         "base_facturx",
         "base_vat",
     ],
-    "external_dependencies": {"python": ["factur-x"]},
+    "external_dependencies": {"python": ["factur-x<=3.1"]},
     "data": [
         "views/res_partner.xml",
         "views/res_config_settings.xml",
diff --git a/requirements.txt b/requirements.txt
index dfbdc0276e..a9e5f9f332 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 # generated from manifests external_dependencies
-factur-x
+factur-x<=3.1
 pypdf
 PyPDF2
 PyYAML