diff --git a/.github/workflows/deploy_docs.yml b/.github/workflows/deploy_docs.yml
index 2f16c77..b1ff2b0 100644
--- a/.github/workflows/deploy_docs.yml
+++ b/.github/workflows/deploy_docs.yml
@@ -5,16 +5,16 @@ on:
     types: [ created ]
 
   push:
-    branches: [ master ]
+    branches: [ master, actions ]
 
 jobs:
   deploy:
     runs-on: ubuntu-latest
     steps:
-      - name: Set up Python ${{ matrix.python-version }}
+      - name: Set up Python 3.10
         uses: actions/setup-python@v2
         with:
-          python-version: ${{ matrix.python-version }}
+          python-version: "3.10"
 
       - name: Checkout branch
         uses: actions/checkout@v2.3.2
@@ -26,8 +26,10 @@ jobs:
 
       - name: Commit documentation changes
         run: |
-          git clone https://github.com/publichealthengland/coronavirus-dashboard-api-python-sdk.git --branch gh-pages --single-branch gh-pages
-          cp -r docs/* gh-pages/
+          git clone https://github.com/neutronX/django-markdownx.git --branch gh-pages --single-branch gh-pages
+          rm -rf gh-pages/docs
+          mkdir gh-pages/docs
+          cp -r docs/* gh-pages/docs/
           cd gh-pages
           VERSION=$(python setup.py -V)
           echo ${VERSION} >> version
diff --git a/.github/workflows/python-publish.yml b/.github/workflows/python-publish.yml
index b0f8f56..32b4939 100644
--- a/.github/workflows/python-publish.yml
+++ b/.github/workflows/python-publish.yml
@@ -10,11 +10,18 @@ jobs:
 
     strategy:
       matrix:
-        os: [ macos-latest, ubuntu-latest, windows-latest ]
+        os: [ macos-latest, ubuntu-latest ]
         python-version: [ 3.9, "3.10" ]
         django-version: [ 3.1, 3.2, 4.0 ]
 
     steps:
+      - name: Install system dependencies (windows)
+        if: matrix.os == 'windows-latest'
+        uses: msys2/setup-msys2@v2
+        with:
+          update: true
+          install: zlib
+
       - uses: actions/checkout@v2.3.2
 
       - name: Set up Python ${{ matrix.python-version }}
@@ -38,22 +45,25 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2.3.2
-    - name: Set up Python
-      uses: actions/setup-python@v2
-      with:
-        python-version: '3.8'
-    - name: Install dependencies
-      run: |
-        python -m pip install --upgrade pip
-        pip install setuptools wheel twine
-    - name: Build and publish
-      env:
-        TWINE_USERNAME: __token__
-        TWINE_PASSWORD: ${{ secrets.PYPI_API_TOKEN }}
-      run: |
-        python setup.py sdist bdist_wheel
-        twine upload dist/*
+      - uses: actions/checkout@v2.3.2
+
+      - name: Set up Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: '3.10'
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install setuptools wheel twine
+
+      - name: Build and publish
+        env:
+          TWINE_USERNAME: __token__
+          TWINE_PASSWORD: ${{ secrets.PYPI_API_TOKEN }}
+        run: |
+          python setup.py sdist bdist_wheel
+          twine upload dist/*
 
   docs:
     needs:
@@ -69,7 +79,9 @@ jobs:
       - name: Commit documentation changes
         run: |
           git clone https://github.com/publichealthengland/coronavirus-dashboard-api-python-sdk.git --branch gh-pages --single-branch gh-pages
-          cp -r docs/* gh-pages/
+          rm -rf gh-pages/docs
+          mkdir gh-pages/docs
+          cp -r docs/* gh-pages/docs/
           cd gh-pages
           VERSION=$(python setup.py -V)
           echo ${VERSION} >> version
diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index 3159ada..095ba24 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -2,10 +2,10 @@ name: Python package
 
 on:
   push:
-    branches: [ master ]
+    branches: [ master, actions ]
 
   pull_request:
-    branches: [ master ]
+    branches: [ master, actions ]
 
 jobs:
   build:
@@ -13,11 +13,18 @@ jobs:
 
     strategy:
       matrix:
-        os: [ macos-latest, ubuntu-latest, windows-latest ]
+        os: [ macos-latest, ubuntu-latest ]
         python-version: [ 3.9, "3.10" ]
         django-version: [ 3.1, 3.2, 4.0 ]
 
     steps:
+      - name: Install system dependencies (windows)
+        if: matrix.os == 'windows-latest'
+        uses: msys2/setup-msys2@v2
+        with:
+          update: true
+          install: zlib
+
       - uses: actions/checkout@v2.3.2
 
       - name: Set up Python ${{ matrix.python-version }}
diff --git a/.nojekyll b/.nojekyll
new file mode 100644
index 0000000..e69de29
diff --git a/markdownx/tests/urls.py b/markdownx/tests/urls.py
index 6f7a3b9..ab65bf4 100644
--- a/markdownx/tests/urls.py
+++ b/markdownx/tests/urls.py
@@ -6,6 +6,6 @@ except ImportError:
 from .views import TestView
 
 urlpatterns = [
-    url(r'testview/$', TestView.as_view()),
-    url(r'markdownx/$', include('markdownx.urls')),
+    url(r'^testview/', TestView.as_view()),
+    url(r'^markdownx/', include('markdownx.urls')),
 ]
diff --git a/markdownx/tests/views.py b/markdownx/tests/views.py
index b743a73..899be54 100644
--- a/markdownx/tests/views.py
+++ b/markdownx/tests/views.py
@@ -2,6 +2,7 @@ from django.views.generic.edit import CreateView
 
 from .models import MyModel
 
+
 class TestView(CreateView):
     template_name = "test_view.html"
     model = MyModel
diff --git a/markdownx/views.py b/markdownx/views.py
index 33ca64d..add592f 100755
--- a/markdownx/views.py
+++ b/markdownx/views.py
@@ -73,7 +73,7 @@ class ImageUploadView(BaseFormView):
         """
         response = super(ImageUploadView, self).form_valid(form)
 
-        if self.request.is_ajax():
+        if self.request.headers.get('x-requested-with') == 'XMLHttpRequest':
             image_path = form.save(commit=True)
             image_code = '![]({})'.format(image_path)
             return JsonResponse({'image_code': image_code})
diff --git a/version b/version
new file mode 100644
index 0000000..fcdb2e1
--- /dev/null
+++ b/version
@@ -0,0 +1 @@
+4.0.0