diff --git a/dynamic_rest/filters.py b/dynamic_rest/filters.py
index 8ceffec4..50829d56 100644
--- a/dynamic_rest/filters.py
+++ b/dynamic_rest/filters.py
@@ -7,7 +7,7 @@
 from functools import reduce
 from rest_framework import serializers
 from rest_framework.exceptions import ValidationError
-from rest_framework.fields import BooleanField, NullBooleanField
+from rest_framework.fields import BooleanField
 from rest_framework.filters import BaseFilterBackend, OrderingFilter
 
 from dynamic_rest.utils import is_truthy
@@ -148,7 +148,7 @@ def rewrite_filters(fs, serializer):
     out = {}
     for node in fs.values():
         filter_key, field = node.generate_query_key(serializer)
-        if isinstance(field, (BooleanField, NullBooleanField)):
+        if isinstance(field, BooleanField):
             node.value = is_truthy(node.value)
         out[filter_key] = node.value
 
diff --git a/install_requires.txt b/install_requires.txt
index f4417505..e3cde891 100644
--- a/install_requires.txt
+++ b/install_requires.txt
@@ -1,5 +1,5 @@
-Django>=2.2,<4.2
-djangorestframework>=3.11.2,<3.15
+Django>=2.2,<4.3
+djangorestframework>=3.14.0,<3.15
 inflection>=0.4.0
 requests
 hashids>=1.3.1
diff --git a/requirements.benchmark.txt b/requirements.benchmark.txt
index 8dc0c1f5..92ac0c40 100644
--- a/requirements.benchmark.txt
+++ b/requirements.benchmark.txt
@@ -1,7 +1,7 @@
 dj-database-url==0.3.0
-django-debug-toolbar==1.7
-Django>=2.2,<4.2
-djangorestframework>=3.11.2,<3.15
+django-debug-toolbar==1.11.1
+Django>=2.2,<4.3
+djangorestframework>=3.14.0,<3.15
 djay>=0.0.9
 flake8>=3.0
 psycopg2-binary==2.9.3
diff --git a/tox.ini b/tox.ini
index 2e668ba1..94e7e0b0 100644
--- a/tox.ini
+++ b/tox.ini
@@ -4,7 +4,7 @@ addopts=--tb=short
 [tox]
 envlist =
        py310-lint,
-       {py37,py38,py39,py310}-django{22,31,32,40,41}-drf{311,312,313,314},
+       {py37,py38,py39,py310}-django{22,31,32,40,41,42}-drf{311,312,313,314},
 
 [testenv]
 commands = ./runtests.py --fast {posargs} --coverage -rw
@@ -16,6 +16,7 @@ deps =
         django32: Django>=3.2,<3.3
         django40: Django>=4.0,<4.1
         django41: Django>=4.1,<4.2
+        django42: Django>=4.2,<4.3
         drf311: djangorestframework>=3.11.2,<3.12
         drf312: djangorestframework>=3.12,<3.13
         drf313: djangorestframework>=3.13,<3.14
@@ -29,6 +30,6 @@ deps = -rrequirements.txt
 [testenv:py310-drf314-benchmarks]
 commands = ./runtests.py --benchmarks
 deps =
-        Django==4.1.1
+        Django>=4.2,<4.3
         djangorestframework==3.14
         -rrequirements.benchmark.txt