diff --git a/.github/workflows/actions/entrypoint.sh b/.github/workflows/actions/entrypoint.sh
index c89edc5..c819409 100755
--- a/.github/workflows/actions/entrypoint.sh
+++ b/.github/workflows/actions/entrypoint.sh
@@ -6,7 +6,7 @@
 PYTHONS=("cp38-cp38" "cp39-cp39" "cp310-cp310")
 
 for PYTHON in ${PYTHONS[@]}; do
-    /opt/python/${PYTHON}/bin/pip install --upgrade pip wheel setuptools setuptools_scm pep517 twine auditwheel
+    /opt/python/${PYTHON}/bin/pip install --upgrade pip wheel setuptools setuptools_scm build twine auditwheel
     /opt/python/${PYTHON}/bin/pip install oldest-supported-numpy
     /opt/python/${PYTHON}/bin/python -m build --sdist --wheel . --outdir /github/workspace/wheelhouse/
 done
diff --git a/.github/workflows/build_mac.yml b/.github/workflows/build_mac.yml
index c25f09e..c1a4159 100644
--- a/.github/workflows/build_mac.yml
+++ b/.github/workflows/build_mac.yml
@@ -28,12 +28,12 @@ jobs:
 
     - name: Install build tools
       run: |
-        python -m pip install --upgrade pip wheel setuptools setuptools_scm pep517 twine
+        python -m pip install --upgrade pip wheel setuptools setuptools_scm build twine
         python -m pip install oldest-supported-numpy
       shell: bash
 
     - name: Build binary wheel
-      run: python -m pep517.build --binary . --out-dir dist
+      run: python -m build --wheel . --outdir dist
 
     - name: CheckFiles
       run: |
diff --git a/.github/workflows/build_win.yml b/.github/workflows/build_win.yml
index 73c5f30..716af1f 100644
--- a/.github/workflows/build_win.yml
+++ b/.github/workflows/build_win.yml
@@ -28,12 +28,12 @@ jobs:
 
     - name: Install build tools
       run: |
-        python -m pip install --upgrade pip wheel setuptools setuptools_scm pep517 twine
+        python -m pip install --upgrade pip wheel setuptools setuptools_scm build twine
         python -m pip install oldest-supported-numpy
       shell: bash
 
     - name: Build binary wheel
-      run: python -m pep517.build --binary . --out-dir dist
+      run: python -m build --wheel . --outdir dist
 
     - name: CheckFiles
       run: |
diff --git a/.github/workflows/deploy-docs.yml b/.github/workflows/deploy-docs.yml
new file mode 100644
index 0000000..3a3debb
--- /dev/null
+++ b/.github/workflows/deploy-docs.yml
@@ -0,0 +1,43 @@
+name: Build and Deploy docs
+
+on:
+  pull_request:
+  push:
+    branches: [master]
+
+jobs:
+  run:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Setup Conda
+      uses: s-weigand/setup-conda@v1
+      with:
+        activate-conda: false
+        conda-channels: conda-forge
+
+    - name: Create environment
+      shell: bash -l {0}
+      run: |
+        conda create --name TEST python=3 python-build numpy --file requirements-dev.txt
+        source activate TEST
+        pip install -e . --no-deps --force-reinstall
+        conda info --all
+        conda list
+
+    - name: Build documentation
+      shell: bash -l {0}
+      run: |
+        source activate TEST
+        set -e
+        pushd docs
+        make clean html linkcheck
+        popd
+
+    - name: GitHub Pages action
+      if: github.ref == 'refs/heads/main'
+      uses: peaceiris/actions-gh-pages@v3.6.1
+      with:
+        github_token: ${{ secrets.GITHUB_TOKEN }}
+        publish_dir: docs/_build/html
diff --git a/.github/workflows/tarball-tests.yml b/.github/workflows/tarball-tests.yml
index 9d77c5b..d6f84d8 100644
--- a/.github/workflows/tarball-tests.yml
+++ b/.github/workflows/tarball-tests.yml
@@ -20,7 +20,7 @@ jobs:
     - name: Create environment
       shell: bash -l {0}
       run: |
-        conda create --name TEST python=3 python-build cython numpy --file requirements-dev.txt
+        conda create --name TEST python=3 python-build numpy --file requirements-dev.txt
         source activate TEST
         conda info --all
         conda list
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index b552adb..a00aa89 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -31,7 +31,7 @@ jobs:
     - name: Python ${{ matrix.python-version }} numpy ${{ matrix.numpy-version }}
       shell: bash -l {0}
       run: |
-        conda create --name TEST python=${{ matrix.python-version }} python-build cython numpy=${{ matrix.numpy-version }} --file requirements-dev.txt
+        conda create --name TEST python=${{ matrix.python-version }} python-build numpy=${{ matrix.numpy-version }} --file requirements-dev.txt
         source activate TEST
         pip install -e . --no-deps --force-reinstall
         conda info --all
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index a193960..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,48 +0,0 @@
-language: minimal
-
-sudo: false
-
-env:
-  global:
-    - secure: "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"
-
-matrix:
-  fast_finish: true
-  include:
-  - name: "docs"
-    env: NUMPY=1 PY=3
-
-before_install:
-  # Install miniconda and create TEST env.
-  - |
-    set -e
-    wget https://repo.anaconda.com/miniconda/Miniconda3-latest-Linux-x86_64.sh -O miniconda.sh
-    bash miniconda.sh -b -p $HOME/miniconda
-    export PATH="$HOME/miniconda/bin:$PATH"
-    conda config --set always_yes yes --set changeps1 no --set show_channel_urls true
-    conda update conda --quiet
-    conda config --add channels conda-forge --force
-    conda config --set channel_priority strict
-    conda create --name TEST python=$PY --file requirements-dev.txt --quiet
-    source activate TEST
-    # Install after to ensure it will be downgraded when testing an older version.
-    conda install numpy=$NUMPY xarray dask
-    conda info --all
-
-# Test source distribution.
-install:
-  - pip install -e . --no-deps --force-reinstall
-
-script:
-  - |
-    if [[ $TRAVIS_JOB_NAME == 'docs' ]]; then
-      pushd docs
-      make clean html linkcheck
-      popd
-      if [[ -z "$TRAVIS_TAG" ]]; then
-        python -m doctr deploy --build-tags --key-path github_deploy_key.enc --built-docs docs/_build/html dev
-      else
-        python -m doctr deploy --build-tags --key-path github_deploy_key.enc --built-docs docs/_build/html "version-$TRAVIS_TAG"
-        python -m doctr deploy --build-tags --key-path github_deploy_key.enc --built-docs docs/_build/html .
-      fi
-    fi
diff --git a/pyproject.toml b/pyproject.toml
index 95051bd..820e39e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,3 +1,3 @@
 [build-system]
-requires = ["pip >9.0.1", "setuptools>=42", "wheel", "setuptools_scm[toml]>=3.4", "cython", "oldest-supported-numpy", "build"]
+requires = ["pip >9.0.1", "setuptools>=42", "wheel", "setuptools_scm[toml]>=3.4", "oldest-supported-numpy", "build"]
 build-backend = "setuptools.build_meta"