diff --git a/graphene_django/filter/tests/test_array_field_exact_filter.py b/graphene_django/filter/tests/test_array_field_exact_filter.py
index cd72868..10e32ef 100644
--- a/graphene_django/filter/tests/test_array_field_exact_filter.py
+++ b/graphene_django/filter/tests/test_array_field_exact_filter.py
@@ -120,10 +120,7 @@ def test_array_field_filter_schema_type(Query):
         "randomField": "[Boolean!]",
     }
     filters_str = ", ".join(
-        [
-            f"{filter_field}: {gql_type} = null"
-            for filter_field, gql_type in filters.items()
-        ]
+        [f"{filter_field}: {gql_type}" for filter_field, gql_type in filters.items()]
     )
     assert (
         f"type Query {{\n  events({filters_str}): EventTypeConnection\n}}" in schema_str
diff --git a/graphene_django/filter/tests/test_enum_filtering.py b/graphene_django/filter/tests/test_enum_filtering.py
index 09c69b3..4fe7ddd 100644
--- a/graphene_django/filter/tests/test_enum_filtering.py
+++ b/graphene_django/filter/tests/test_enum_filtering.py
@@ -152,9 +152,6 @@ def test_filter_enum_field_schema_type(schema):
         "reporter_AChoice_In": "[TestsReporterAChoiceChoices]",
     }
     filters_str = ", ".join(
-        [
-            f"{filter_field}: {gql_type} = null"
-            for filter_field, gql_type in filters.items()
-        ]
+        [f"{filter_field}: {gql_type}" for filter_field, gql_type in filters.items()]
     )
     assert f"  allArticles({filters_str}): ArticleTypeConnection\n" in schema_str
diff --git a/graphene_django/filter/tests/test_fields.py b/graphene_django/filter/tests/test_fields.py
index 7d440f4..68d6e32 100644
--- a/graphene_django/filter/tests/test_fields.py
+++ b/graphene_django/filter/tests/test_fields.py
@@ -1008,7 +1008,7 @@ def test_integer_field_filter_type():
     assert str(schema) == dedent(
         """\
         type Query {
-          pets(offset: Int = null, before: String = null, after: String = null, first: Int = null, last: Int = null, age: Int = null): PetTypeConnection
+          pets(offset: Int, before: String, after: String, first: Int, last: Int, age: Int): PetTypeConnection
         }
 
         type PetTypeConnection {
@@ -1077,7 +1077,7 @@ def test_other_filter_types():
     assert str(schema) == dedent(
         """\
         type Query {
-          pets(offset: Int = null, before: String = null, after: String = null, first: Int = null, last: Int = null, age: Int = null, age_Isnull: Boolean = null, age_Lt: Int = null): PetTypeConnection
+          pets(offset: Int, before: String, after: String, first: Int, last: Int, age: Int, age_Isnull: Boolean, age_Lt: Int): PetTypeConnection
         }
 
         type PetTypeConnection {
diff --git a/graphene_django/filter/tests/test_typed_filter.py b/graphene_django/filter/tests/test_typed_filter.py
index b903b59..cc0bafe 100644
--- a/graphene_django/filter/tests/test_typed_filter.py
+++ b/graphene_django/filter/tests/test_typed_filter.py
@@ -98,7 +98,7 @@ def test_typed_filter_schema(schema):
     )
 
     for filter_field, gql_type in filters.items():
-        assert "{}: {} = null".format(filter_field, gql_type) in all_articles_filters
+        assert "{}: {}".format(filter_field, gql_type) in all_articles_filters
 
 
 def test_typed_filters_work(schema):
diff --git a/graphene_django/tests/test_types.py b/graphene_django/tests/test_types.py
index bde72c7..b6f2e5e 100644
--- a/graphene_django/tests/test_types.py
+++ b/graphene_django/tests/test_types.py
@@ -183,7 +183,7 @@ def test_schema_representation():
           pets: [Reporter!]!
           aChoice: TestsReporterAChoiceChoices
           reporterType: TestsReporterReporterTypeChoices
-          articles(offset: Int = null, before: String = null, after: String = null, first: Int = null, last: Int = null): ArticleConnection!
+          articles(offset: Int, before: String, after: String, first: Int, last: Int): ArticleConnection!
         }
 
         \"""An enumeration.\"""
diff --git a/setup.py b/setup.py
index 1762760..13a57e8 100644
--- a/setup.py
+++ b/setup.py
@@ -60,7 +60,8 @@ setup(
     keywords="api graphql protocol rest relay graphene",
     packages=find_packages(exclude=["tests", "examples", "examples.*"]),
     install_requires=[
-        "graphene>=3.0,<4",
+        # "graphene>=3.0,<4",
+        "graphene @ git+https://github.com/loft-orbital/graphene.git@loft-v3-1.0#egg=graphene",
         "graphql-core>=3.1.0,<4",
         "graphql-relay>=3.1.1,<4",
         "Django>=2.2",