diff --git a/MANIFEST.in b/MANIFEST.in
index 6be1908..739ad74 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,6 +1,6 @@
 include setup.py README.rst MANIFEST.in LICENSE AUTHORS
 
-recursive-include bananas/templates *
-recursive-include bananas/static *
+recursive-include src/bananas/templates *
+recursive-include src/bananas/static *
 
 global-exclude *~
diff --git a/Makefile b/Makefile
index d68c7c6..e15f975 100644
--- a/Makefile
+++ b/Makefile
@@ -15,7 +15,10 @@ test_all:
 
 .PHONY: test-types      # runs pytest-mypy-plugins to test exported types
 test-types:
+	# Hack to make type-tests work until we add py.typed to the published package.
+	touch $$(python -c 'import bananas; print(bananas.__path__[0] + "/py.typed")')
 	pytest --mypy-ini-file=setup.cfg tests/*.yaml
+	rm $$(python -c 'import bananas; print(bananas.__path__[0] + "/py.typed")')
 
 .PHONY: coverage		# combines coverage and reports it
 coverage:
@@ -28,9 +31,9 @@ coverage-xml:
 
 .PHONY: lint                # runs flake8, black and isort checks
 lint:
-	@flake8 bananas tests && echo "flake8 OK"
-	black --check bananas tests
-	isort --check bananas tests
+	@flake8 src tests && echo "flake8 OK"
+	black --check src tests
+	isort --check src tests
 
 .PHONY: type-check
 type-check:
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..9d28d84
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,3 @@
+[build-system]
+requires = ["setuptools>=57.0.0", "wheel"]
+build-backend = "setuptools.build_meta"
diff --git a/setup.cfg b/setup.cfg
index d8aa3fa..e9a1c2d 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -23,6 +23,8 @@ license_file = LICENSE
 
 [options]
 packages = find:
+package_dir =
+    =src
 python_requires = >=3.6
 include_package_data = True
 exclude =
@@ -35,6 +37,9 @@ install_requires =
     typing-extensions>=3.7.4.3
     drf-yasg>=1.20.0
 
+[options.packages.find]
+where = src
+
 [options.extras_require]
 drf =
     djangorestframework>=3.10
@@ -65,7 +70,7 @@ show-source = true
 max-complexity = 10
 
 [coverage:run]
-source = bananas
+source = src
 branch = True
 parallel = True
 
@@ -90,12 +95,13 @@ combine_as_imports = true
 include_trailing_comma = true
 force_grid_wrap = 0
 skip = migrations
+src_paths = src, tests
 
 [mypy]
 python_version = 3.6
 show_error_codes = True
 pretty = True
-files = bananas,tests,runtests.py,setup.py
+files = src,tests,runtests.py,setup.py
 
 no_implicit_reexport = True
 no_implicit_optional = True
diff --git a/bananas/__init__.py b/src/bananas/__init__.py
similarity index 100%
rename from bananas/__init__.py
rename to src/bananas/__init__.py
diff --git a/bananas/admin/__init__.py b/src/bananas/admin/__init__.py
similarity index 100%
rename from bananas/admin/__init__.py
rename to src/bananas/admin/__init__.py
diff --git a/bananas/admin/api/__init__.py b/src/bananas/admin/api/__init__.py
similarity index 100%
rename from bananas/admin/api/__init__.py
rename to src/bananas/admin/api/__init__.py
diff --git a/bananas/admin/api/i18n.py b/src/bananas/admin/api/i18n.py
similarity index 100%
rename from bananas/admin/api/i18n.py
rename to src/bananas/admin/api/i18n.py
diff --git a/bananas/admin/api/mixins.py b/src/bananas/admin/api/mixins.py
similarity index 100%
rename from bananas/admin/api/mixins.py
rename to src/bananas/admin/api/mixins.py
diff --git a/bananas/admin/api/permissions.py b/src/bananas/admin/api/permissions.py
similarity index 100%
rename from bananas/admin/api/permissions.py
rename to src/bananas/admin/api/permissions.py
diff --git a/bananas/admin/api/router.py b/src/bananas/admin/api/router.py
similarity index 100%
rename from bananas/admin/api/router.py
rename to src/bananas/admin/api/router.py
diff --git a/bananas/admin/api/schemas/__init__.py b/src/bananas/admin/api/schemas/__init__.py
similarity index 100%
rename from bananas/admin/api/schemas/__init__.py
rename to src/bananas/admin/api/schemas/__init__.py
diff --git a/bananas/admin/api/schemas/base.py b/src/bananas/admin/api/schemas/base.py
similarity index 100%
rename from bananas/admin/api/schemas/base.py
rename to src/bananas/admin/api/schemas/base.py
diff --git a/bananas/admin/api/schemas/decorators.py b/src/bananas/admin/api/schemas/decorators.py
similarity index 100%
rename from bananas/admin/api/schemas/decorators.py
rename to src/bananas/admin/api/schemas/decorators.py
diff --git a/bananas/admin/api/schemas/yasg.py b/src/bananas/admin/api/schemas/yasg.py
similarity index 100%
rename from bananas/admin/api/schemas/yasg.py
rename to src/bananas/admin/api/schemas/yasg.py
diff --git a/bananas/admin/api/serializers.py b/src/bananas/admin/api/serializers.py
similarity index 100%
rename from bananas/admin/api/serializers.py
rename to src/bananas/admin/api/serializers.py
diff --git a/bananas/admin/api/urls.py b/src/bananas/admin/api/urls.py
similarity index 100%
rename from bananas/admin/api/urls.py
rename to src/bananas/admin/api/urls.py
diff --git a/bananas/admin/api/v1_0/__init__.py b/src/bananas/admin/api/v1_0/__init__.py
similarity index 100%
rename from bananas/admin/api/v1_0/__init__.py
rename to src/bananas/admin/api/v1_0/__init__.py
diff --git a/bananas/admin/api/v1_0/urls.py b/src/bananas/admin/api/v1_0/urls.py
similarity index 100%
rename from bananas/admin/api/v1_0/urls.py
rename to src/bananas/admin/api/v1_0/urls.py
diff --git a/bananas/admin/api/versioning.py b/src/bananas/admin/api/versioning.py
similarity index 100%
rename from bananas/admin/api/versioning.py
rename to src/bananas/admin/api/versioning.py
diff --git a/bananas/admin/api/views.py b/src/bananas/admin/api/views.py
similarity index 100%
rename from bananas/admin/api/views.py
rename to src/bananas/admin/api/views.py
diff --git a/bananas/admin/extension.py b/src/bananas/admin/extension.py
similarity index 100%
rename from bananas/admin/extension.py
rename to src/bananas/admin/extension.py
diff --git a/bananas/drf/__init__.py b/src/bananas/drf/__init__.py
similarity index 100%
rename from bananas/drf/__init__.py
rename to src/bananas/drf/__init__.py
diff --git a/bananas/drf/errors.py b/src/bananas/drf/errors.py
similarity index 100%
rename from bananas/drf/errors.py
rename to src/bananas/drf/errors.py
diff --git a/bananas/drf/fencing.py b/src/bananas/drf/fencing.py
similarity index 100%
rename from bananas/drf/fencing.py
rename to src/bananas/drf/fencing.py
diff --git a/bananas/drf/utils.py b/src/bananas/drf/utils.py
similarity index 100%
rename from bananas/drf/utils.py
rename to src/bananas/drf/utils.py
diff --git a/bananas/environment.py b/src/bananas/environment.py
similarity index 100%
rename from bananas/environment.py
rename to src/bananas/environment.py
diff --git a/bananas/lazy.py b/src/bananas/lazy.py
similarity index 100%
rename from bananas/lazy.py
rename to src/bananas/lazy.py
diff --git a/bananas/management/__init__.py b/src/bananas/management/__init__.py
similarity index 100%
rename from bananas/management/__init__.py
rename to src/bananas/management/__init__.py
diff --git a/bananas/management/commands/__init__.py b/src/bananas/management/commands/__init__.py
similarity index 100%
rename from bananas/management/commands/__init__.py
rename to src/bananas/management/commands/__init__.py
diff --git a/bananas/management/commands/show_urls.py b/src/bananas/management/commands/show_urls.py
similarity index 100%
rename from bananas/management/commands/show_urls.py
rename to src/bananas/management/commands/show_urls.py
diff --git a/bananas/management/commands/syncpermissions.py b/src/bananas/management/commands/syncpermissions.py
similarity index 100%
rename from bananas/management/commands/syncpermissions.py
rename to src/bananas/management/commands/syncpermissions.py
diff --git a/bananas/models.py b/src/bananas/models.py
similarity index 100%
rename from bananas/models.py
rename to src/bananas/models.py
diff --git a/bananas/query.py b/src/bananas/query.py
similarity index 100%
rename from bananas/query.py
rename to src/bananas/query.py
diff --git a/bananas/secrets.py b/src/bananas/secrets.py
similarity index 100%
rename from bananas/secrets.py
rename to src/bananas/secrets.py
diff --git a/bananas/settings.py b/src/bananas/settings.py
similarity index 100%
rename from bananas/settings.py
rename to src/bananas/settings.py
diff --git a/bananas/static/admin/bananas/css/bananas.css b/src/bananas/static/admin/bananas/css/bananas.css
similarity index 100%
rename from bananas/static/admin/bananas/css/bananas.css
rename to src/bananas/static/admin/bananas/css/bananas.css
diff --git a/bananas/static/admin/bananas/css/banansive.css b/src/bananas/static/admin/bananas/css/banansive.css
similarity index 100%
rename from bananas/static/admin/bananas/css/banansive.css
rename to src/bananas/static/admin/bananas/css/banansive.css
diff --git a/bananas/static/admin/bananas/img/django.svg b/src/bananas/static/admin/bananas/img/django.svg
similarity index 100%
rename from bananas/static/admin/bananas/img/django.svg
rename to src/bananas/static/admin/bananas/img/django.svg
diff --git a/bananas/static/admin/bananas/img/search.svg b/src/bananas/static/admin/bananas/img/search.svg
similarity index 100%
rename from bananas/static/admin/bananas/img/search.svg
rename to src/bananas/static/admin/bananas/img/search.svg
diff --git a/bananas/static/admin/bananas/js/bananas.js b/src/bananas/static/admin/bananas/js/bananas.js
similarity index 100%
rename from bananas/static/admin/bananas/js/bananas.js
rename to src/bananas/static/admin/bananas/js/bananas.js
diff --git a/bananas/static/admin/css/responsive.css b/src/bananas/static/admin/css/responsive.css
similarity index 100%
rename from bananas/static/admin/css/responsive.css
rename to src/bananas/static/admin/css/responsive.css
diff --git a/bananas/templates/admin/base_site.html b/src/bananas/templates/admin/base_site.html
similarity index 100%
rename from bananas/templates/admin/base_site.html
rename to src/bananas/templates/admin/base_site.html
diff --git a/bananas/templates/admin/view.html b/src/bananas/templates/admin/view.html
similarity index 100%
rename from bananas/templates/admin/view.html
rename to src/bananas/templates/admin/view.html
diff --git a/bananas/url.py b/src/bananas/url.py
similarity index 100%
rename from bananas/url.py
rename to src/bananas/url.py
diff --git a/tox.ini b/tox.ini
index 489a9ed..5b91306 100644
--- a/tox.ini
+++ b/tox.ini
@@ -12,13 +12,15 @@ envlist = py36-django{ 22, 30, 32 },
           py38-django{ 22, 30, 31, 32, 40 },
           py39-django{ 22, 30, 31, 32, 40 }
           py310-django{ 32, 40 }
+isolated_build = true
 
 
 [testenv]
 passenv = COVERAGE_FILE
 whitelist_externals = make
+usedevelop = true
 commands =
-    make test
+    make test {posargs}
 install_command =
     pip install {opts} {packages}
 extras =