diff --git a/.github/workflows/vtest.yml b/.github/workflows/vtest.yml
new file mode 100644
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+++ b/.github/workflows/vtest.yml
@@ -0,0 +1,133 @@
+# Copyright 2019 Ilya Shipitsin <chipitsine@gmail.com>
+# Copyright 2020 Tim Duesterhus <tim@bastelstu.be>
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version
+# 2 of the License, or (at your option) any later version.
+
+name: VTest
+
+on:
+  push:
+
+jobs:
+  # The generate-matrix job generates the build matrix using JSON output
+  # generated by .github/matrix.py.
+  generate-matrix:
+    name: Generate Build Matrix
+    runs-on: ubuntu-latest
+    outputs:
+      matrix: ${{ steps.set-matrix.outputs.matrix }}
+    steps:
+      - uses: actions/checkout@v2
+      - name: Generate Build Matrix
+        id: set-matrix
+        run: python3 .github/matrix.py
+
+  # The Test job actually runs the tests.
+  Test:
+    name: ${{ matrix.name }}
+    needs: generate-matrix
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix: ${{ fromJson(needs.generate-matrix.outputs.matrix) }}
+      fail-fast: false
+    env:
+      # Configure a short TMPDIR to prevent failures due to long unix socket
+      # paths.
+      TMPDIR: /tmp
+      # Force ASAN output into asan.log to make the output more readable.
+      ASAN_OPTIONS: log_path=asan.log
+    steps:
+    - uses: actions/checkout@v2
+      with:
+        fetch-depth: 100
+    - name: Install apt dependencies
+      if: ${{ startsWith(matrix.os, 'ubuntu-') }}
+      run: |
+        sudo apt-get install -y \
+          liblua5.3-dev \
+          libpcre2-dev \
+          libsystemd-dev \
+          ninja-build \
+          socat
+    - name: Install brew dependencies
+      if: ${{ startsWith(matrix.os, 'macos-') }}
+      run: |
+        brew install socat
+        brew install lua
+    - name: Install VTest
+      run: |
+        curl -fsSL https://github.com/vtest/VTest/archive/master.tar.gz -o VTest.tar.gz
+        mkdir VTest
+        tar xvf VTest.tar.gz -C VTest --strip-components=1
+        make -C VTest -j$(nproc) FLAGS="-O2 -s -Wall"
+        sudo install -m755 VTest/vtest /usr/local/bin/vtest
+    - name: Install SLZ
+      if: ${{ contains(matrix.FLAGS, 'USE_SLZ=1') }}
+      run: |
+        curl -fsSL https://github.com/wtarreau/libslz/archive/master.tar.gz -o libslz.tar.gz
+        mkdir libslz
+        tar xvf libslz.tar.gz -C libslz --strip-components=1
+        make -C libslz
+        sudo make -C libslz install
+    - name: Install SSL ${{ matrix.ssl }}
+      if: ${{ matrix.ssl && matrix.ssl != 'stock' }}
+      run: env ${{ matrix.ssl }} scripts/build-ssl.sh
+    - name: Build WURFL
+      if: ${{ contains(matrix.FLAGS, 'USE_WURFL=1') }}
+      run: make -C contrib/wurfl
+    - name: Compile HAProxy with ${{ matrix.CC }}
+      run: |
+        make -j$(nproc) all \
+          ERR=1 \
+          TARGET=${{ matrix.TARGET }} \
+          CC=${{ matrix.CC }} \
+          ${{ join(matrix.FLAGS, ' ') }} \
+          ADDLIB="-Wl,-rpath,/usr/local/lib/ -Wl,-rpath,$HOME/opt/lib/"
+        sudo make install
+    - name: Show HAProxy version
+      id: show-version
+      run: |
+        echo "::group::Show dynamic libraries."
+        if command -v ldd > /dev/null; then
+          # Linux
+          ldd $(which haproxy)
+        else
+          # macOS
+          otool -L $(which haproxy)
+        fi
+        echo "::endgroup::"
+        haproxy -vv
+        echo "::set-output name=version::$(haproxy -v |awk 'NR==1{print $3}')"
+    - name: Adjust hosts file
+      # This step can be removed if https://github.com/vtest/VTest/pull/24 is
+      # fixed.
+      run: |
+        cat /etc/hosts
+        sudo sed -i.bak '/::1/s/^/#/' /etc/hosts
+    - name: Install problem matcher for VTest
+      # This allows one to more easily see which tests fail.
+      run: echo "::add-matcher::.github/vtest.json"
+    - name: Run VTest for HAProxy ${{ steps.show-version.outputs.version }}
+      id: vtest
+      # sudo is required, because macOS fails due to an open files limit.
+      run: sudo make reg-tests REGTESTS_TYPES=default,bug,devel
+    - name: Show results
+      if: ${{ failure() }}
+      # The chmod / sudo is necessary due to the `sudo` while running the tests.
+      run: |
+        sudo chmod a+rX ${TMPDIR}/haregtests-*/
+        for folder in ${TMPDIR}/haregtests-*/vtc.*; do
+          printf "::group::"
+          cat $folder/INFO
+          cat $folder/LOG
+          echo "::endgroup::"
+        done
+        shopt -s nullglob
+        for asan in asan.log*; do
+          echo "::group::$asan"
+          sudo cat $asan
+          echo "::endgroup::"
+        done