diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
new file mode 100644
index 0000000..9f370e1
--- /dev/null
+++ b/.github/workflows/build.yml
@@ -0,0 +1,51 @@
+name: Build binaries
+
+on:
+  pull_request:
+    branches:
+    - master
+  push:
+    tags:
+    - "*"
+
+jobs:
+  linux-elf:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - uses: actions/setup-python@v2
+    - run: sudo apt-get install libsdl2-2.0-0
+    - run: python -m pip install pyinstaller
+    - run: python -m pip install --find-links ${WHEELS} wxPython
+      env:
+        WHEELS: https://extras.wxpython.org/wxPython4/extras/linux/gtk3/ubuntu-18.04
+    - run: python setup.py clean bundle
+    - uses: actions/upload-artifact@v2
+      with:
+        name: PythonTurtle
+        path: ${{ github.workspace }}/dist/PythonTurtle
+
+  macos-app:
+    runs-on: macos-latest
+    steps:
+    - uses: actions/checkout@v2
+    - uses: actions/setup-python@v2
+    - run: python -m pip install pyinstaller wxPython
+    - run: python setup.py clean bundle
+    - run: rm ${{ github.workspace }}/dist/PythonTurtle
+    - uses: actions/upload-artifact@v2
+      with:
+        name: PythonTurtle.app
+        path: ${{ github.workspace }}/dist/
+
+  windows-exe:
+    runs-on: windows-latest
+    steps:
+    - uses: actions/checkout@v2
+    - uses: actions/setup-python@v2
+    - run: python -m pip install pyinstaller wxPython
+    - run: python setup.py clean bundle
+    - uses: actions/upload-artifact@v2
+      with:
+        name: PythonTurtle.exe
+        path: ${{ github.workspace }}\dist\PythonTurtle.exe
diff --git a/.github/workflows/build_linux_elf.yml b/.github/workflows/build_linux_elf.yml
deleted file mode 100644
index 541a023..0000000
--- a/.github/workflows/build_linux_elf.yml
+++ /dev/null
@@ -1,20 +0,0 @@
-name: Build Linux ELF
-
-on:
-  push:
-    tags:
-    - "*"
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v2
-    - uses: actions/setup-python@v2
-    - run: sudo apt-get install libsdl2-2.0-0
-    - run: python -m pip install pyinstaller
-    - run: python setup.py clean bundle
-    - uses: actions/upload-artifact@v2
-      with:
-        name: PythonTurtle for Linux
-        path: /home/runner/work/PythonTurtle/PythonTurtle/dist/PythonTurtle
diff --git a/.github/workflows/build_windows_exe.yml b/.github/workflows/build_windows_exe.yml
deleted file mode 100644
index 31e08b3..0000000
--- a/.github/workflows/build_windows_exe.yml
+++ /dev/null
@@ -1,19 +0,0 @@
-name: Build Windows exe
-
-on:
-  push:
-    tags:
-    - "*"
-
-jobs:
-  build:
-    runs-on: windows-latest
-    steps:
-    - uses: actions/checkout@v2
-    - uses: actions/setup-python@v2
-    - run: python -m pip install pyinstaller
-    - run: python setup.py clean bundle
-    - uses: actions/upload-artifact@v2
-      with:
-        name: PythonTurtle for Windows
-        path: D:\a\PythonTurtle\PythonTurtle\dist\PythonTurtle.exe
diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml
index 6ddebc0..4b207e7 100644
--- a/.github/workflows/checks.yml
+++ b/.github/workflows/checks.yml
@@ -2,9 +2,11 @@ name: Checks
 
 on:
   pull_request:
-    branches: [master]
+    branches:
+    - master
   push:
-    branches: [master]
+    branches:
+    - master
 
 jobs:
   build:
@@ -12,7 +14,9 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        env: [flake8, pylint]
+        env:
+        - flake8
+        - pylint
     steps:
     - uses: actions/checkout@v2
     - uses: actions/setup-python@v2
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 4200cf8..0601295 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -2,9 +2,11 @@ name: Tests
 
 on:
   pull_request:
-    branches: [master]
+    branches:
+    - master
   push:
-    branches: [master]
+    branches:
+    - master
 
 jobs:
   build:
@@ -12,16 +14,22 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: [3.6, 3.7, 3.8]
+        os:
+        - ubuntu-latest
+        - macos-latest
+        - windows-latest
+        python-version:
+        - '3.6'
+        - '3.7'
+        - '3.8'
     steps:
     - uses: actions/checkout@v2
     - uses: actions/setup-python@v2
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies for Ubuntu
-      run: sudo apt-get install libsdl2-2.0-0
       if: matrix.os == 'ubuntu-latest'
+      run: sudo apt-get install libsdl2-2.0-0
     - name: Install prerequisites
       run: python -m pip install --upgrade setuptools pip wheel tox-gh-actions
     - name: Run tests
diff --git a/setup.py b/setup.py
index 1cf655d..9955f00 100755
--- a/setup.py
+++ b/setup.py
@@ -33,7 +33,7 @@ def run():
         """
         Create an application bundle (using PyInstaller)
         """
-        import PyInstaller.__main__
+        import PyInstaller.__main__  # pylint: disable=import-outside-toplevel
 
         resources_folder = os.path.join('pythonturtle', 'resources')
 
@@ -50,8 +50,8 @@ def include_resources(file_glob):
             '--name=%s' % package.name,
             '--onefile',
             '--windowed',
-            '--add-binary=%s' % include_resources('*.ic*'),
-            '--add-binary=%s' % include_resources('*.png'),
+            '--add-data=%s' % include_resources('*.ic*'),
+            '--add-data=%s' % include_resources('*.png'),
             '--add-data=%s' % include_resources('*.txt'),
             '--icon=%s' % resource_path('icon.ico'),
             os.path.join('pythonturtle', '__main__.py'),
diff --git a/tox.ini b/tox.ini
index 55cbb97..1679188 100644
--- a/tox.ini
+++ b/tox.ini
@@ -4,7 +4,7 @@
 # - Installing wxPython is non-trivial on GNU/Linux. We need to install wheels from a dedicated repository,
 #   located at https://extras.wxpython.org/wxPython4/extras/linux/. For beackground reading see
 #   https://wiki.wxpython.org/How%20to%20install%20wxPython#Installing_wxPython-Phoenix_using_pip
-# - The wheel repository specified via --find-links below matches the build environment on Travis CI.
+# - The wheel repository specified via --find-links below matches the build environment on GitHub Actions.
 # - For local Tox runs adapt the wheel repository URLs to match your local environment.
 
 [tox]
@@ -25,7 +25,6 @@ commands =
 
 [testenv:flake8]
 description = Static code analysis and code style
-basepython = python3.6
 deps =
     flake8
 commands =
@@ -33,10 +32,8 @@ commands =
 
 [testenv:pylint]
 description = Check for errors and code smells
-basepython = python3.6
 deps =
-    astroid<2.2
-    pylint<2.4
+    pylint
     pyinstaller
 commands =
     {envpython} -m pip install --find-links https://extras.wxpython.org/wxPython4/extras/linux/gtk3/ubuntu-18.04 wxPython