diff --git a/.github/workflows/www.yml b/.github/workflows/www.yml
new file mode 100644
index 0000000..32599c7
--- /dev/null
+++ b/.github/workflows/www.yml
@@ -0,0 +1,167 @@
+name: Update API docs
+
+on:
+  # Trigger on push to branche `master`.
+  push:
+    branches: [ master ]
+  # Trigger on pull request events for PRs that have `master` as their target branch
+  pull_request:
+    branches: [ master ]
+
+  # Allow running the workflow manually
+  workflow_dispatch:
+
+defaults:
+  run:
+    # GitHub Actions adds `errexit` and `pipefail` by default, but we add `xtrace`
+    # to improve debugging some of the longer scripts.
+    shell: /bin/bash -o errexit -o pipefail -o xtrace {0}
+
+jobs:
+  main:
+    runs-on: ubuntu-20.04
+
+    steps:
+      # Create a cache invalidation key based on the current year + week.
+      # This way, packages will be checked for updates once every week.
+      - name: Get Date
+        id: get-date
+        run: echo "::set-output name=date::$(/bin/date -u "+%Y%W")"
+
+      - name: Cache apt packages
+        id: cache-apt
+        uses: actions/cache@v2
+        with:
+          path: /var/cache/apt/archives
+          # The trailing number serves as a version flag that can be incremented
+          # to invalidate the cache after changing the list of packages.
+          key: ${{ github.workflow }}-${{ runner.os }}-${{ steps.get-date.outputs.date }}-apt-3
+
+      - name: Download apt packages
+        if: steps.cache-apt.outputs.cache-hit != 'true'
+        run: |
+          sudo apt-get update
+          sudo apt-get install --download-only -y --no-install-recommends \
+            ikiwiki \
+            asciidoc \
+            imagemagick \
+            perlmagick \
+            luarocks \
+            cmake \
+            libxcb-cursor-dev \
+            libxcb-randr0-dev \
+            libxcb-xtest0-dev \
+            libxcb-xinerama0-dev \
+            libxcb-shape0-dev \
+            libxcb-util0-dev \
+            libxcb-keysyms1-dev \
+            libxcb-icccm4-dev \
+            libxdg-basedir-dev \
+            libstartup-notification0-dev \
+            libxcb-xkb-dev \
+            libxkbcommon-dev \
+            libxkbcommon-x11-dev \
+            gir1.2-pango-1.0 \
+            xutils-dev \
+            libgirepository1.0-dev \
+            lua-discount
+
+      - name: Install downloaded packages
+        run: |
+          sudo dpkg -i /var/cache/apt/archives/*.deb
+
+      - name: Cache luarocks
+        id: cache-luarocks
+        uses: actions/cache@v2
+        with:
+          path: /tmp/luarocks
+          key: ${{ github.workflow }}-${{ runner.os }}-luarocks-3.5.0
+
+      - name: Install fresh Luarocks
+        if: steps.cache-luarocks.outputs.cache-hit != 'true'
+        run: |
+          wget -O /tmp/luarocks.tar.gz https://github.com/luarocks/luarocks/archive/v3.5.0.tar.gz
+          mkdir /tmp/luarocks
+          tar -xf /tmp/luarocks.tar.gz -C /tmp/luarocks --strip-components=1
+          cd /tmp/luarocks
+          ./configure
+          make build
+          sudo make install
+
+      - name: Install cached Luarocks
+        if: steps.cache-luarocks.outputs.cache-hit == 'true'
+        run: |
+          cd /tmp/luarocks
+          sudo make install
+
+      - name: Install rocks
+        run: |
+          sudo -H luarocks install lgi
+          sudo -H luarocks install ldoc
+
+      - name: Install mdl
+        run: |
+          sudo gem install mdl -v 0.9.0
+
+      - uses: actions/checkout@v2
+
+      - name: Create Build Environment
+        run: cmake -E make_directory -B "${{ github.workspace }}/build"
+
+      - name: Get Pull Request Number
+        id: pr
+        run: echo "::set-output name=pull_request_number::$(gh pr view --json number -q .number || echo "")"
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Get AwesomeWM
+        env:
+          APIDOC_TOKEN: ${{ secrets.AWESOME_ROBOT_TOKEN || github.token }}
+        run: |
+          set -e
+          git clone \
+            https://${APIDOC_TOKEN}@github.com/awesomeWM/awesomeWM.github.io \
+            "${{ github.workspace }}/build" 2>&1 | sed "s/$APIDOC_TOKEN/APIDOC_TOKEN/g"
+          if [ "${{ github.event_name }}" != 'pull_request' ]; then
+            branch="${{ github.head_ref || github.ref_name }} "
+          else
+            branch="pr-${{ steps.pr.outputs.pull_request_number }}"
+          fi
+          if [ "$branch" != master ]; then
+            cd "${{ github.workspace }}/build"
+            if ! git checkout -b "$branch" "origin/$branch"; then
+              git checkout -b "$branch"
+            fi
+            cd -
+          fi
+
+      - name: Build website
+        run: |
+          cd "${{ github.workspace }}"
+          PKG_CONFIG_PATH="$HOME/install/lib/pkgconfig" make build_for_gh_actions
+          mdl --git-recurse .
+
+      - name: Publish website
+        if: github.event_name != 'pull_request'
+        env:
+          APIDOC_TOKEN: ${{ secrets.AWESOME_ROBOT_TOKEN || github.token }}
+        run: |
+          set -e
+          commit_hash=$(git rev-parse --short HEAD)
+          cd "${{ github.workspace }}/build"
+          git config user.name "awesome-robot on GH Actions"
+          git config user.email "awesome-robot@users.noreply.github.com"
+          git add --all .
+          NL=$'\n'
+          git commit -m "Update from GH Actions for awesome-www@${commit_hash}${NL}${NL}Commits: ${{ github.event.pull_request.commits_url }}${NL}Build URL: https://github.com/${{github.repository}}/actions/runs/${{github.run_id}}"
+          git --no-pager show --stat
+          git push origin "$(git symbolic-ref --quiet HEAD)" 2>&1 | sed "s/$APIDOC_TOKEN/APIDOC_TOKEN/g"
+
+          # Purge CloudFlare cache.
+          curl -X DELETE "https://api.cloudflare.com/client/v4/zones/$CLOUDFLARE_ZONE/purge_cache" \
+            -H "X-Auth-Email: $CLOUDFLARE_AUTH_EMAIL" \
+            -H "X-Auth-Key: $CLOUDFLARE_AUTH_KEY" \
+            -H "Content-Type: application/json" \
+            --data '{"purge_everything":true}'
+
+# vim: filetype=yaml:expandtab:shiftwidth=2:tabstop=2
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 61118a6..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,109 +0,0 @@
-dist: xenial
-language: minimal
-branches:
-  only:
-    - master
-env:
-  global:
-    - BUILD_WEB=/tmp/build-web
-    - secure: dMquVRuM4Wi/N3oZJaNIWSW5mpehxVuzDiDnC51OwfMtdNfdyWV7qKJQY44MjbveuyQd7eA/AuTLE+loaAFxiRfBXl2yI5NkAOrJwbbDyw/lAN9Og2FmNi+QLaTsNhpbYZ4zaUNEEqRWs9gIajGaXcWdO/HNYiKHHrk7+XXNDeM=
-    # CLOUDFLARE_AUTH_EMAIL/CLOUDFLARE_AUTH_KEY
-    - secure: JYKSA0crhIfgE7l51aF+qYr4JERLU3hXWRzKSmwuBi4uZzNxWfAm1hQ8qJ4+TTIIjJpr4dceVLdXRZDvX5B83hP8W4m4eoRp98IqwLinS5plB86Kv/C53vYGaMIaE+3u0EdehRgpSIN+2qmAUTNoQkFZsZh1Ok4vaN3QZaE2+f8=
-    # CLOUDFLARE_ZONE
-    - secure: LYV3F3ink6p8XfR2rjCcYDfTDSK22QRU4kYK4e77t42e3zky/tbiNZcJsrq9J5FwNEBZXDLxuXsgeEza3+x6N0uxjBIdopuEullL5jf5WRISxUja2wplOgCa8RC8CIvWyZOsbtw8UWJvbCyjwUXPT8q9sUT1U+KhYSuqVMo32GI=
-addons:
-  apt:
-    packages:
-      - ikiwiki
-      - asciidoc
-      - imagemagick
-      - perlmagick
-      - luarocks
-      - cmake
-      - libxcb-cursor-dev
-      - libxcb-randr0-dev
-      - libxcb-xtest0-dev
-      - libxcb-xinerama0-dev
-      - libxcb-shape0-dev
-      - libxcb-util0-dev
-      - libxcb-keysyms1-dev
-      - libxcb-icccm4-dev
-      - libxdg-basedir-dev
-      - libstartup-notification0-dev
-      - libxcb-xkb-dev
-      - libxkbcommon-dev
-      - libxkbcommon-x11-dev
-      - gir1.2-pango-1.0
-        # Dependencies for xcb-util-xrm
-      - xutils-dev
-        # Dependencies for lgi
-      - libgirepository1.0-dev
-      - lua-discount
-
-# Clone the awesomeWM.github.io repo before building, because we need the
-# working copy to be there for updating already.
-before_install:
-  - |
-    if [ -n "$GH_APIDOC_TOKEN" ]; then
-      set -e
-      git clone \
-        https://${GH_APIDOC_TOKEN}@github.com/awesomeWM/awesomeWM.github.io \
-        "$BUILD_WEB" 2>&1 | sed "s/$GH_APIDOC_TOKEN/GH_APIDOC_TOKEN/g"
-      if [ "$TRAVIS_PULL_REQUEST" = false ]; then
-        branch="$TRAVIS_BRANCH"
-      else
-        branch="pr-$TRAVIS_PULL_REQUEST"
-      fi
-      if [ "$branch" != master ]; then
-        cd $BUILD_WEB
-        if ! git checkout -b "$branch" "origin/$branch"; then
-          git checkout -b "$branch"
-        fi
-        cd -
-      fi
-    fi
-
-install:
-    # xcb-util-xrm is not available in Ubuntu Ancient
-  - (cd /tmp && git clone --recursive https://github.com/Airblader/xcb-util-xrm.git && cd xcb-util-xrm && ./autogen.sh --prefix=$HOME/install && make && make install)
-
-  - travis_retry luarocks --local install ldoc
-  - luarocks path --bin
-  - eval `luarocks path --bin`
-    # Of course Ubuntu's Luarocks version is too old for --bin
-  - PATH="$PATH:$HOME/.luarocks/bin"
-
-  # lgi is too old
-  - travis_retry luarocks --local install lgi
-
-  - gem install mdl -v 0.9.0
-
-after_install:
-  - luarocks --local list --porcelain | column -t -s $'\t'
-
-script:
-  - PKG_CONFIG_PATH="$HOME/install/lib/pkgconfig" make build_for_travis
-  - mdl --git-recurse .
-
-after_success:
-  - |
-    if [ "$TRAVIS_PULL_REQUEST" != "false" ]; then exit 0; fi
-    if [ -n "$GH_APIDOC_TOKEN" ]; then
-      set -e
-      commit_hash=$(git rev-parse --short HEAD)
-      cd $BUILD_WEB
-      git config user.name "awesome-robot on Travis CI"
-      git config user.email "awesome-robot@users.noreply.github.com"
-      git add --all .
-      NL=$'\n'
-      git commit -m "Update from Travis for awesome-www@${commit_hash}${NL}${NL}Commits: https://github.com/awesomeWM/awesome-www/compare/${TRAVIS_COMMIT_RANGE/.../..}${NL}Build URL: https://travis-ci.com/awesomeWM/awesome-www/builds/${TRAVIS_BUILD_ID}"
-      git --no-pager show --stat
-      git push origin "$(git symbolic-ref --quiet HEAD)" 2>&1 | sed "s/$GH_APIDOC_TOKEN/GH_APIDOC_TOKEN/g"
-
-      # Purge CloudFlare cache.
-      curl -X DELETE "https://api.cloudflare.com/client/v4/zones/$CLOUDFLARE_ZONE/purge_cache" \
-        -H "X-Auth-Email: $CLOUDFLARE_AUTH_EMAIL" \
-        -H "X-Auth-Key: $CLOUDFLARE_AUTH_KEY" \
-        -H "Content-Type: application/json" \
-        --data '{"purge_everything":true}'
-    fi
diff --git a/Makefile b/Makefile
index 4018704..3c769cb 100644
--- a/Makefile
+++ b/Makefile
@@ -34,10 +34,10 @@ manpages:
 	    do asciidoc -a icons -b xhtml11 -o ../../html/doc/manpages/`basename $${manpage} .txt`.html $$manpage || exit 1; \
 	    done
 
-build_for_travis: all
-build_for_travis: BUILD_WEB?=/tmp/awesome-build-web
-build_for_travis: ASCIIDOC_ICONS_DIR?=/usr/share/asciidoc/icons
-build_for_travis:
+build_for_gh_actions: all
+build_for_gh_actions: BUILD_WEB?=/tmp/awesome-build-web
+build_for_gh_actions: ASCIIDOC_ICONS_DIR?=/usr/share/asciidoc/icons
+build_for_gh_actions:
 	test -d "$(ASCIIDOC_ICONS_DIR)"
 	rsync -PaOvz --delete --exclude=.git --chmod=u=rwX,g=rwX,o=rX,Dg+s --exclude src html/ \
 	  "$(BUILD_WEB)"