diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
new file mode 100644
index 0000000..8fa8535
--- /dev/null
+++ b/.github/workflows/tests.yml
@@ -0,0 +1,35 @@
+name: Tests
+
+on: [push]
+
+jobs:
+  build:
+    env:
+      CMAKE_VERSION: 3.14.7
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-18.04]
+        python: [3.6, 3.7, 3.8]
+    steps:
+      - uses: actions/checkout@v1
+      - name: Cache .tox
+        uses: actions/cache@v1
+        with:
+          path: .tox
+          key: ${{ runner.OS }}-tox-${{ hashFiles('poetry.lock') }}
+          restore-keys: |
+            ${{ runner.OS }}-tox-
+      - name: Set up Python ${{ matrix.python }}
+        uses: actions/setup-python@v1
+        with:
+          python-version: ${{ matrix.python }}
+      - name: Install dependencies
+        run: |
+          curl -sSL https://github.com/Kitware/CMake/releases/download/v$CMAKE_VERSION/cmake-$CMAKE_VERSION-Linux-x86_64.tar.gz | tar xz
+          python -m pip install --upgrade setuptools pip wheel
+          python -m pip install poetry tox-gh-actions
+      - name: Test with tox
+        run: |
+          export PATH=$GITHUB_WORKSPACE/cmake-$CMAKE_VERSION-Linux-x86_64/bin:$PATH
+          tox
diff --git a/README.md b/README.md
index f7f2340..bdd1ae6 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,5 @@
 # cmake-language-server
+[![GitHub Actions (Tests)](https://github.com/regen100/cmake-language-server/workflows/Tests/badge.svg)](https://github.com/regen100/cmake-language-server/actions)
 
 CMake LSP Implementation.
 
diff --git a/src/cmake_language_server/api.py b/src/cmake_language_server/api.py
index 5ee8876..0c9ed7c 100644
--- a/src/cmake_language_server/api.py
+++ b/src/cmake_language_server/api.py
@@ -50,7 +50,8 @@ class API(object):
 
         proc = subprocess.run([self._cmake, self._build],
                               universal_newlines=True,
-                              capture_output=True)
+                              stdout=subprocess.PIPE,
+                              stderr=subprocess.PIPE)
         self.query_json.unlink()
         self.query_json.parent.rmdir()
         if proc.returncode != 0:
@@ -133,7 +134,8 @@ endforeach()
             p = subprocess.run([self._cmake, '-P', tmplist],
                                cwd=cmake_files['paths']['source'],
                                universal_newlines=True,
-                               capture_output=True)
+                               stdout=subprocess.PIPE,
+                               stderr=subprocess.PIPE)
             if p.returncode != 0:
                 return
 
diff --git a/tests/conftest.py b/tests/conftest.py
index b042aad..598524d 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -1,18 +1,16 @@
-import logging
-
 import pytest
 
 
 @pytest.fixture()
 def cmake_build(shared_datadir):
-    from subprocess import run
+    from subprocess import run, PIPE
     source = shared_datadir / 'cmake'
     build = source / 'build'
     build.mkdir()
-    p = run(['cmake', '-S', source, '-B', build],
-            check=True,
-            capture_output=True,
-            universal_newlines=True)
-    logging.debug(p.stdout)
-    logging.debug(p.stderr)
+    run(['cmake', source],
+        check=True,
+        cwd=build,
+        stdout=PIPE,
+        stderr=PIPE,
+        universal_newlines=True)
     yield build
diff --git a/tests/test_api.py b/tests/test_api.py
index e46d684..44dadf1 100644
--- a/tests/test_api.py
+++ b/tests/test_api.py
@@ -43,8 +43,9 @@ def test_parse_commands(cmake_build):
     api.parse_doc()
 
     p = subprocess.run(['cmake', '--help-command-list'],
-                       capture_output=True,
-                       universal_newlines=True)
+                       universal_newlines=True,
+                       stdout=subprocess.PIPE,
+                       stderr=subprocess.PIPE)
     commands = p.stdout.strip().split('\n')
 
     for command in commands:
@@ -59,8 +60,9 @@ def test_parse_variables(cmake_build):
     api.parse_doc()
 
     p = subprocess.run(['cmake', '--help-variable-list'],
-                       capture_output=True,
-                       universal_newlines=True)
+                       universal_newlines=True,
+                       stdout=subprocess.PIPE,
+                       stderr=subprocess.PIPE)
     variables = p.stdout.strip().split('\n')
 
     for variable in variables:
diff --git a/tox.ini b/tox.ini
index f1b990c..7c68660 100644
--- a/tox.ini
+++ b/tox.ini
@@ -3,6 +3,12 @@ isolated_build = True
 skipsdist = True
 envlist = py36, py37, py38, lint
 
+[gh-actions]
+python =
+    3.6: py36
+    3.7: py37, lint
+    3.8: py38
+
 [testenv]
 whitelist_externals = poetry
 skip_install = true