diff --git a/zproject/slack_importer_test_settings.py b/zproject/slack_importer_test_settings.py
index e6d4504124..6499963d97 100644
--- a/zproject/slack_importer_test_settings.py
+++ b/zproject/slack_importer_test_settings.py
@@ -6,5 +6,5 @@ DATABASES["default"] = {
     "PASSWORD": LOCAL_DATABASE_PASSWORD,
     "HOST": "localhost",
     "SCHEMA": "zulip",
-    "ENGINE": "django.db.backends.postgresql_psycopg2",
+    "ENGINE": "django.db.backends.postgresql",
 }
diff --git a/zproject/test_settings.py b/zproject/test_settings.py
index b309b2a341..da67fe8f04 100644
--- a/zproject/test_settings.py
+++ b/zproject/test_settings.py
@@ -30,7 +30,7 @@ DATABASES["default"] = {
     "PASSWORD": LOCAL_DATABASE_PASSWORD,
     "HOST": "localhost",
     "SCHEMA": "zulip",
-    "ENGINE": "django.db.backends.postgresql_psycopg2",
+    "ENGINE": "django.db.backends.postgresql",
     "TEST_NAME": "django_zulip_tests",
     "OPTIONS": {"connection_factory": TimeTrackingConnection},
 }