diff --git a/.github/workflows/merge_stage_test.yml b/.github/workflows/merge_stage_test.yml
index fc8af4642..966ff8d4d 100644
--- a/.github/workflows/merge_stage_test.yml
+++ b/.github/workflows/merge_stage_test.yml
@@ -94,8 +94,8 @@ jobs:
           python-version: ${{ matrix.python-version }}
       - name: Install system dependencies
         run: sudo apt-get update && sudo apt-get install -y ffmpeg libturbojpeg
-      - name: Upgrade pip
-        run: pip install pip --upgrade
+      - name: Upgrade pip and wheel
+        run: pip install pip wheel --upgrade
       - name: Install PyTorch
         run: pip install torch==${{matrix.torch}}+cpu torchvision==${{matrix.torchvision}}+cpu -f https://download.pytorch.org/whl/torch_stable.html
       - name: Install MMEngine from main branch
@@ -144,8 +144,8 @@ jobs:
           python-version: ${{ matrix.python-version }}
       - name: Install system dependencies
         run: sudo apt-get update && sudo apt-get install -y ffmpeg libturbojpeg
-      - name: Upgrade pip
-        run: pip install pip --upgrade
+      - name: Upgrade pip and wheel
+        run: pip install pip wheel --upgrade
       - name: Install PyTorch
         run: pip install torch==${{matrix.torch}}+cpu torchvision==${{matrix.torchvision}}+cpu -f https://download.pytorch.org/whl/torch_stable.html
       - name: Install MMEngine from main branch
@@ -184,8 +184,8 @@ jobs:
         uses: actions/setup-python@v2
         with:
           python-version: ${{ matrix.python-version }}
-      - name: Upgrade pip
-        run: pip install pip --upgrade
+      - name: Upgrade pip and wheel
+        run: pip install pip wheel --upgrade
       - name: Fetch GPG keys
         run: |
           apt-key adv --fetch-keys https://developer.download.nvidia.com/compute/cuda/repos/ubuntu1804/x86_64/3bf863cc.pub
@@ -218,8 +218,8 @@ jobs:
         uses: actions/setup-python@v2
         with:
           python-version: ${{ matrix.python-version }}
-      - name: Upgrade pip
-        run: pip install pip --upgrade
+      - name: Upgrade pip and wheel
+        run: pip install pip wheel --upgrade
       - name: Fetch GPG keys
         run: |
           apt-key adv --fetch-keys https://developer.download.nvidia.com/compute/cuda/repos/ubuntu1804/x86_64/3bf863cc.pub
@@ -252,8 +252,8 @@ jobs:
         uses: actions/setup-python@v2
         with:
           python-version: ${{ matrix.python-version }}
-      - name: Upgrade pip
-        run: pip install pip --upgrade
+      - name: Upgrade pip and wheel
+        run: pip install pip wheel --upgrade
       - name: Fetch GPG keys
         run: |
           apt-key adv --fetch-keys https://developer.download.nvidia.com/compute/cuda/repos/ubuntu1804/x86_64/3bf863cc.pub
@@ -286,8 +286,8 @@ jobs:
         uses: actions/setup-python@v2
         with:
           python-version: ${{ matrix.python-version }}
-      - name: Upgrade pip
-        run: python -m pip install pip --upgrade
+      - name: Upgrade pip and wheel
+        run: python -m pip install pip wheel --upgrade
       - name: Install PyTorch
         run: pip install torch==1.8.1+cpu torchvision==0.9.1+cpu -f https://download.pytorch.org/whl/torch_stable.html
       - name: Install MMEngine from main branch
@@ -318,8 +318,8 @@ jobs:
         uses: actions/setup-python@v2
         with:
           python-version: ${{ matrix.python-version }}
-      - name: Upgrade pip
-        run: python -m pip install pip --upgrade
+      - name: Upgrade pip and wheel
+        run: python -m pip install pip wheel --upgrade
       - name: Install PyTorch
         run: pip install torch==${{matrix.torch}}+cpu torchvision==${{matrix.torchvision}}+cpu -f https://download.pytorch.org/whl/torch_stable.html
       - name: Install MMEngine from main branch
@@ -352,8 +352,8 @@ jobs:
           python-version: ${{ matrix.python-version }}
       - name: Install system dependencies
         run: brew install ffmpeg jpeg-turbo
-      - name: Upgrade pip
-        run: pip install pip --upgrade
+      - name: Upgrade pip and wheel
+        run: pip install pip wheel --upgrade
       - name: Install PyTorch
         run: pip install torch==${{ matrix.torch }} torchvision==${{ matrix.torchvision }}
       - name: Install MMEngine from main branch
diff --git a/.github/workflows/pr_stage_test.yml b/.github/workflows/pr_stage_test.yml
index 313c27ae1..dde09127c 100644
--- a/.github/workflows/pr_stage_test.yml
+++ b/.github/workflows/pr_stage_test.yml
@@ -32,8 +32,8 @@ jobs:
         uses: actions/setup-python@v2
         with:
           python-version: ${{ matrix.python-version }}
-      - name: Upgrade pip
-        run: pip install pip --upgrade
+      - name: Upgrade pip and wheel
+        run: pip install pip wheel --upgrade
       - name: Fetch GPG keys
         run: |
           apt-key adv --fetch-keys https://developer.download.nvidia.com/compute/cuda/repos/ubuntu1804/x86_64/3bf863cc.pub
@@ -74,8 +74,8 @@ jobs:
         uses: actions/setup-python@v2
         with:
           python-version: ${{ matrix.python-version }}
-      - name: Upgrade pip
-        run: pip install pip --upgrade
+      - name: Upgrade pip and wheel
+        run: pip install pip wheel --upgrade
       - name: Fetch GPG keys
         run: |
           apt-key adv --fetch-keys https://developer.download.nvidia.com/compute/cuda/repos/ubuntu1804/x86_64/3bf863cc.pub
@@ -108,8 +108,8 @@ jobs:
         uses: actions/setup-python@v2
         with:
           python-version: ${{ matrix.python-version }}
-      - name: Upgrade pip
-        run: python -m pip install pip --upgrade
+      - name: Upgrade pip and wheel
+        run: python -m pip install pip wheel --upgrade
       - name: Install PyTorch
         run: pip install torch==1.8.1+cpu torchvision==0.9.1+cpu -f https://download.pytorch.org/whl/torch_stable.html
       - name: Install MMEngine from main branch
@@ -140,8 +140,8 @@ jobs:
         uses: actions/setup-python@v2
         with:
           python-version: ${{ matrix.python-version }}
-      - name: Upgrade pip
-        run: python -m pip install pip --upgrade
+      - name: Upgrade pip and wheel
+        run: python -m pip install pip wheel --upgrade
       - name: Install PyTorch
         run: pip install torch==${{matrix.torch}}+cpu torchvision==${{matrix.torchvision}}+cpu -f https://download.pytorch.org/whl/torch_stable.html
       - name: Install MMEngine from main branch
@@ -174,8 +174,8 @@ jobs:
           python-version: ${{ matrix.python-version }}
       - name: Install system dependencies
         run: brew install ffmpeg jpeg-turbo
-      - name: Upgrade pip
-        run: pip install pip --upgrade
+      - name: Upgrade pip and wheel
+        run: pip install pip wheel --upgrade
       - name: Install PyTorch
         run: pip install torch==${{ matrix.torch }} torchvision==${{ matrix.torchvision }}
       - name: Install MMEngine from main branch
diff --git a/.github/workflows/publish-to-pypi.yml b/.github/workflows/publish-to-pypi.yml
index 05df8a651..b9c6de2a2 100644
--- a/.github/workflows/publish-to-pypi.yml
+++ b/.github/workflows/publish-to-pypi.yml
@@ -7,7 +7,7 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
-  build-n-publish:
+  build-n-publish_without_ops:
     runs-on: ubuntu-22.04
     if: startsWith(github.event.ref, 'refs/tags')
     steps:
@@ -21,7 +21,7 @@ jobs:
       - name: Build MMCV
         run: |
           sed -i "s/os.getenv('MMCV_WITH_OPS', '1')/os.getenv('MMCV_WITH_OPS', '0')/g" setup.py
-          python setup.py sdist
+          python setup.py sdist bdist_wheel
       - name: Publish distribution to PyPI
         run: |
           pip install twine
diff --git a/requirements/docs.txt b/requirements/docs.txt
index a1ff4d390..b725cc70a 100644
--- a/requirements/docs.txt
+++ b/requirements/docs.txt
@@ -7,3 +7,4 @@ sphinx==4.0.2
 sphinx-copybutton
 sphinx_markdown_tables>=0.0.16
 torch
+urllib3<2.0.0