diff --git a/localized_fields/fields/field.py b/localized_fields/fields/field.py
index 1047f0e..1817e7e 100644
--- a/localized_fields/fields/field.py
+++ b/localized_fields/fields/field.py
@@ -28,18 +28,26 @@ class LocalizedField(HStoreField):
     descriptor_class = LocalizedValueDescriptor
 
     def __init__(
-        self, *args, required: Union[bool, List[str]] = None, **kwargs
+        self,
+        *args,
+        required: Optional[Union[bool, List[str]]] = None,
+        blank: bool = False,
+        **kwargs
     ):
         """Initializes a new instance of :see:LocalizedField."""
 
-        super(LocalizedField, self).__init__(*args, required=required, **kwargs)
-
-        if (self.required is None and self.blank) or self.required is False:
+        if (required is None and blank) or required is False:
             self.required = []
-        elif self.required is None and not self.blank:
+        elif required is None and not blank:
             self.required = [settings.LANGUAGE_CODE]
-        elif self.required is True:
+        elif required is True:
             self.required = [lang_code for lang_code, _ in settings.LANGUAGES]
+        else:
+            self.required = required
+
+        super(LocalizedField, self).__init__(
+            *args, required=self.required, blank=blank, **kwargs
+        )
 
     def contribute_to_class(self, model, name, **kwargs):
         """Adds this field to the specifed model.
diff --git a/pytest.ini b/pytest.ini
index 143a359..b1ab484 100644
--- a/pytest.ini
+++ b/pytest.ini
@@ -3,3 +3,5 @@ DJANGO_SETTINGS_MODULE=settings
 testpaths=tests
 addopts=-m "not benchmark"
 junit_family=legacy
+filterwarnings=
+    ignore::DeprecationWarning:localized_fields.fields.autoslug_field
diff --git a/settings.py b/settings.py
index b4680b8..42be8fe 100644
--- a/settings.py
+++ b/settings.py
@@ -1,3 +1,4 @@
+import django
 import dj_database_url
 
 DEBUG = True
@@ -51,6 +52,12 @@
     'django.contrib.auth.middleware.AuthenticationMiddleware',
 ]
 
+# See: https://github.com/psycopg/psycopg2/issues/1293
+if django.VERSION >= (3, 1):
+    USE_TZ = True
+    USE_I18N = True
+    TIME_ZONE = 'UTC'
+
 # set to a lower number than the default, since
 # we want the tests to be fast, default is 100
 LOCALIZED_FIELDS_MAX_RETRIES = 3
diff --git a/setup.py b/setup.py
index b076389..51ec29b 100644
--- a/setup.py
+++ b/setup.py
@@ -98,6 +98,7 @@ def run(self):
             "autopep8==1.4.4",
             "isort==4.3.20",
             "sl-docformatter==1.4",
+            "click==8.0.2",
         ],
     },
     cmdclass={