diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 669670d24..7d9b7baba 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -11,7 +11,8 @@ jobs:
     timeout-minutes: 30
     strategy:
       matrix:
-        os: [ubuntu-20.04, ubuntu-latest, macos-11, macos-latest, windows-2019, windows-latest]
+        # macos-13 is x86 and macos-14 is arm64
+        os: [ubuntu-20.04, ubuntu-latest, macos-11, macos-13, windows-2019, windows-latest]
         python-version: ['3.5', '3.6', '3.7', '3.8']
         exclude:
           # Python 3.5 and 3.6 not available in the latest Ubuntu runners
@@ -28,6 +29,10 @@ jobs:
         uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
+        env:
+          # Workaround to issue using Python 3.5
+          # https://github.com/actions/setup-python/issues/866
+          PIP_TRUSTED_HOST: "pypi.python.org pypi.org files.pythonhosted.org"
       - name: Display Python info
         run: |
           python -c "import sys; print(sys.version)"
@@ -112,7 +117,7 @@ jobs:
       - name: Wait 2m30s for the docker image to start up QEMU and Raspberry Pi OS
         run: sleep 150
       - name: Clone project & setup it as the bash entry directory
-        uses: appleboy/ssh-action@master
+        uses: appleboy/ssh-action@v1.0.3
         with:
           host: rpios
           username: pi
@@ -129,7 +134,7 @@ jobs:
       # As Pi OS stretch is no longer supported the repository URL was moved and is no longer updated
       - name: Update Stretch sources.list
         if: ${{ matrix.docker-tag == 'stretch-2018-03-13' }}
-        uses: appleboy/ssh-action@master
+        uses: appleboy/ssh-action@v1.0.3
         with:
           host: rpios
           username: pi
@@ -137,7 +142,7 @@ jobs:
           port:  ${{ job.services.rpios.ports[5022] }}
           script: echo "deb http://legacy.raspbian.org/raspbian/ stretch main contrib non-free rpi" | sudo tee /etc/apt/sources.list
       - name: Install Mu extra apt dependencies
-        uses: appleboy/ssh-action@master
+        uses: appleboy/ssh-action@v1.0.3
         with:
           host: rpios
           username: pi
@@ -147,22 +152,22 @@ jobs:
             sudo apt-get update
             sudo apt-get install -y python3-virtualenv
       - name: Create venv and install Python dependencies
-        uses: appleboy/ssh-action@master
+        uses: appleboy/ssh-action@v1.0.3
         with:
           host: rpios
           username: pi
           password: raspberry
           port:  ${{ job.services.rpios.ports[5022] }}
-          command_timeout: 20m
+          command_timeout: 25m
           script: |
             python3 -m virtualenv ~/mu/.venv -v --python=python3 --system-site-packages
             echo "source ~/mu/.venv/bin/activate" > ~/.bashrc_new && cat ~/.bashrc >> ~/.bashrc_new
             rm ~/.bashrc && mv ~/.bashrc_new ~/.bashrc
             source .venv/bin/activate
             python -m pip list
-            python -m pip install ."[dev]"
+            python -m pip install ".[dev]"
       - name: Environment info
-        uses: appleboy/ssh-action@master
+        uses: appleboy/ssh-action@v1.0.3
         with:
           host: rpios
           username: pi
@@ -175,7 +180,7 @@ jobs:
             python3 -m pip --version
             python3 -m pip list
       - name: Run tests
-        uses: appleboy/ssh-action@master
+        uses: appleboy/ssh-action@v1.0.3
         with:
           host: rpios
           username: pi
diff --git a/README.rst b/README.rst
index 1bda61f6e..50f7c1cb5 100644
--- a/README.rst
+++ b/README.rst
@@ -5,7 +5,7 @@ Mu - A Simple Python Code Editor
 
 Mu is a simple code editor for beginner programmers based on extensive feedback
 from teachers and learners. Having said that, Mu is for anyone who wants to use
-a simple "no frills" editor.
+a simple "no frills" editor. Most importantly, have fun!
 
 Mu is a modal editor with modes for many different ways to use Python to create
 cool and interesting things.