diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d2010bb..58a2013 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -92,11 +92,36 @@ jobs:
 
     - run: python -m pip install .[test] codecov
     - run: python -m pip install django~=${{ matrix.django-version }}.0
-    - run: python -m pytest
+    - run: python -m pytest -m "not selenium"
       env:
         PATH: $PATH:$(pwd)/bin
     - run: codecov
 
+  selenium:
+    needs:
+      - pytest
+    strategy:
+      matrix:
+        python-version:
+          - "3.x"
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Install Chrome
+        run: sudo apt-get install -y google-chrome-stable
+      - name: Install Selenium
+        run: |
+          mkdir bin
+          curl -O https://chromedriver.storage.googleapis.com/`curl -s https://chromedriver.storage.googleapis.com/LATEST_RELEASE`/chromedriver_linux64.zip
+          unzip chromedriver_linux64.zip -d bin
+      - uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+      - run: python -m pip install -e .[test]
+      - run: python -m pytest -m selenium
+      - uses: codecov/codecov-action@v3
+
+
   analyze:
     name: CodeQL Analyze
     needs:
diff --git a/tests/conftest.py b/tests/conftest.py
index a4d0352..54f7de2 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -10,10 +10,14 @@
 from s3file.storages import get_aws_location
 
 
+def pytest_configure(config):
+    config.addinivalue_line("markers", "selenium: skip if selenium is not installed")
+
+
 @pytest.fixture(scope="session")
 def driver():
     chrome_options = webdriver.ChromeOptions()
-    chrome_options.headless = True
+    chrome_options.add_argument("--headless=new")
     try:
         b = webdriver.Chrome(options=chrome_options)
     except WebDriverException as e:
diff --git a/tests/test_forms.py b/tests/test_forms.py
index 5f45be6..e16ca82 100644
--- a/tests/test_forms.py
+++ b/tests/test_forms.py
@@ -135,6 +135,7 @@ def test_accept(self):
             "application/pdf,image/*"
         )
 
+    @pytest.mark.selenium
     def test_no_js_error(self, driver, live_server):
         driver.get(live_server + self.url)
 
@@ -142,6 +143,7 @@ def test_no_js_error(self, driver, live_server):
             error = driver.find_element(By.XPATH, "//body[@JSError]")
             pytest.fail(error.get_attribute("JSError"))
 
+    @pytest.mark.selenium
     def test_file_insert(
         self, request, driver, live_server, upload_file, freeze_upload_folder
     ):
@@ -157,6 +159,7 @@ def test_file_insert(
             error = driver.find_element(By.XPATH, "//body[@JSError]")
             pytest.fail(error.get_attribute("JSError"))
 
+    @pytest.mark.selenium
     def test_file_insert_submit_value(
         self, driver, live_server, upload_file, freeze_upload_folder
     ):
@@ -179,6 +182,7 @@ def test_file_insert_submit_value(
         assert "save_continue" in driver.page_source
         assert "continue_value" in driver.page_source
 
+    @pytest.mark.selenium
     def test_progress(self, driver, live_server, upload_file, freeze_upload_folder):
         driver.get(live_server + self.url)
         file_input = driver.find_element(By.XPATH, "//input[@name='file']")
@@ -199,6 +203,7 @@ def test_progress(self, driver, live_server, upload_file, freeze_upload_folder):
         response = json.loads(driver.find_elements(By.CSS_SELECTOR, "pre")[0].text)
         assert response["POST"]["progress"] == "1"
 
+    @pytest.mark.selenium
     def test_multi_file(
         self,
         driver,
@@ -208,7 +213,7 @@ def test_multi_file(
         another_upload_file,
         yet_another_upload_file,
     ):
-        driver.get(live_server + self.url)
+        driver.get(live_server + reverse("upload-multi"))
         file_input = driver.find_element(By.XPATH, "//input[@name='file']")
         file_input.send_keys(
             " \n ".join(
diff --git a/tests/testapp/forms.py b/tests/testapp/forms.py
index bd2e195..bd7f2cb 100644
--- a/tests/testapp/forms.py
+++ b/tests/testapp/forms.py
@@ -10,14 +10,32 @@
     ) + forms.ClearableFileInput.__bases__
 
 
-class MultipleFileInput(forms.ClearableFileInput):
-    allow_multiple_selected = True
-
-
 class UploadForm(forms.ModelForm):
     class Meta:
         model = FileModel
         fields = ("file", "other_file")
-        widgets = {
-            "file": MultipleFileInput(attrs={"multiple": True}),
-        }
+
+
+class MultipleFileInput(forms.ClearableFileInput):
+    allow_multiple_selected = True
+
+
+class MultipleFileField(forms.FileField):
+    def __init__(self, *args, **kwargs):
+        kwargs.setdefault("widget", MultipleFileInput())
+        super().__init__(*args, **kwargs)
+
+    def clean(self, data, initial=None):
+        single_file_clean = super().clean
+        if isinstance(data, (list, tuple)):
+            result = [single_file_clean(d, initial) for d in data]
+        else:
+            result = single_file_clean(data, initial)
+        return result
+
+
+class MultiUploadForm(forms.Form):
+    file = MultipleFileField(
+        required=False, widget=MultipleFileInput(attrs={"multiple": True})
+    )
+    other_file = forms.FileField(required=False)
diff --git a/tests/testapp/urls.py b/tests/testapp/urls.py
index 8e9a2f2..f9da4df 100644
--- a/tests/testapp/urls.py
+++ b/tests/testapp/urls.py
@@ -7,4 +7,5 @@
 
 urlpatterns = [
     path("", views.ExampleFormView.as_view(), name="upload"),
+    path("multi/", views.MultiExampleFormView.as_view(), name="upload-multi"),
 ]
diff --git a/tests/testapp/views.py b/tests/testapp/views.py
index da3b87e..af2f257 100644
--- a/tests/testapp/views.py
+++ b/tests/testapp/views.py
@@ -29,3 +29,21 @@ def form_valid(self, form):
             status=201,
             encoder=FileEncoder,
         )
+
+
+class MultiExampleFormView(generic.FormView):
+    form_class = forms.MultiUploadForm
+    template_name = "form.html"
+
+    def form_valid(self, form):
+        return JsonResponse(
+            {
+                "POST": self.request.POST,
+                "FILES": {
+                    "file": self.request.FILES.getlist("file"),
+                    "other_file": self.request.FILES.getlist("other_file"),
+                },
+            },
+            status=201,
+            encoder=FileEncoder,
+        )