diff --git a/pyproject.toml b/pyproject.toml
index 4187b0273355450557d0a8c3ddc50be4b43c25a5..6dbbe7222587b58e1f17b49a15489500644ee16d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,7 +31,7 @@ secondary = true
 [tool.poetry.dependencies]
 python = "^3.9"
 aleksis-core = "^2.8.1.dev0"
-django-payments = "^0.15.1"
+django-payments = { version = "^0.15.1", extras = ["sofort"] }
 django-payments-sepa = "^1.0.1"
 
 [tool.poetry.dev-dependencies]