diff --git a/debian/control b/debian/control
index 54f025c..e995db1 100644
--- a/debian/control
+++ b/debian/control
@@ -15,7 +15,8 @@ Depends: ${misc:Depends}, ${python3:Depends},
     python3-cairosvg,
     python3-facturx,
     python3-xstatic-select2,
-    python3-gadjo
+    python3-gadjo,
+    python3-django-mellon
 Description: Logiciel de compta/facturation interne
 
 Package: barbacompta
diff --git a/setup.py b/setup.py
index 83743d5..7207f6e 100644
--- a/setup.py
+++ b/setup.py
@@ -19,6 +19,7 @@ install_requires = [
     'django-taggit==0.24.0',  # 0.24.0 is available in buster
     'XStatic-Select2',
     'gadjo',
+    'django-mellon',
 ]
 
 
diff --git a/test-requirements.txt b/test-requirements.txt
index 3fc718d..02215b6 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -5,5 +5,4 @@ pytest-django
 pytest-freezegun
 httmock
 django-webtest
-django-mellon
 uwsgidecorators