diff --git a/pyproject.toml b/pyproject.toml
index 3f483f29..c120958e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -18,6 +18,7 @@ classifiers = [
     "Framework :: Django",
     "Framework :: Django :: 4.2",
     "Framework :: Django :: 5.0",
+    "Framework :: Django :: 5.1",
     "Programming Language :: Python",
     "Programming Language :: Python :: 3",
     "Programming Language :: Python :: 3.8",
diff --git a/tox.ini b/tox.ini
index cc2ba0bd..7b21bf34 100644
--- a/tox.ini
+++ b/tox.ini
@@ -2,6 +2,7 @@
 envlist =
        {py38, py39, py310, py311, py312}-django42,
        {py310, py311, py312}-django50,
+       {py310, py311, py312}-django51,
        {py310, py311, py312}-latest,
        isort,lint,docs,warnings,
 isolated_build = true
@@ -19,6 +20,7 @@ setenv =
 deps =
     django42: Django>=4.2rc1,<5.0
     django50: Django>=5.0b1,<5.1
+    django51: Django>=5.1a1,<5.2
     !latest: djangorestframework
     latest: {[latest]deps}
     -r requirements/test-ci.txt