diff --git a/pyproject.toml b/pyproject.toml
index c13177b..2e0b0a6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -34,8 +34,8 @@ dependencies = [
     "model_bakery",
     "markdown",
     "Pillow",
-    "django-registration",
-    "psycopg2",
+    "django-registration<=3.4",
+    "psycopg2-binary",
     "django-crispy-forms",
     "crispy-bootstrap4",
     "djangorestframework",