diff --git a/.github/workflows/build_stable.yml b/.github/workflows/build_stable.yml
index f83e8f7..0e13f10 100644
--- a/.github/workflows/build_stable.yml
+++ b/.github/workflows/build_stable.yml
@@ -14,27 +14,21 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [macos-10.15, ubuntu-18.04, windows-2019]
+        os: [macos-11, windows-2019]
     steps:
 
     - name: Checkout code
       uses: actions/checkout@v2
 
-    # Not all dependencies work correctly on Python 3.9 on Windows yet so we use
-    # Python 3.8 there.
-    - name: Set up Python 3.8
-      if: matrix.os == 'windows-2019'
+    - name: Set up Python 3.11
       uses: actions/setup-python@v2
       with:
-        python-version: 3.8
-    - name: Set up Python 3.9
-      if: matrix.os != 'windows-2019'
-      uses: actions/setup-python@v2
-      with:
-        python-version: 3.9
+        python-version: 3.11
 
     - name: Install Python dependencies
       run: pip install -r requirements.txt
+    - name: Uninstall debugpy
+      run: pip uninstall -y debugpy
     - name: Run pyinstaller
       run: pyinstaller glue_app.spec
     - name: Uninstall lxml
diff --git a/glue_app.spec b/glue_app.spec
index df3e521..1df8ba7 100644
--- a/glue_app.spec
+++ b/glue_app.spec
@@ -27,6 +27,7 @@ a = Analysis(
         "glue_wwt",
         "glue_plotly",
         "glue_statistics",
+        "PyQt6.QtTest"
     ],
     hookspath=["hooks"],
     hooksconfig={
diff --git a/osx/make_dmg.sh b/osx/make_dmg.sh
index a0acc1d..3f2c76c 100755
--- a/osx/make_dmg.sh
+++ b/osx/make_dmg.sh
@@ -1,10 +1,9 @@
-#!/bin/bash
+#!/bin/bash -xe
 
 mv dist/glue.app dist/"glue $1.app"
 rm -rf dist/start_glue
 python osx/fix_app_qt_folder_names_for_codesign.py dist/"glue $1.app"
 codesign --force --deep --sign - dist/"glue $1.app"
 dist/"glue $1.app"/Contents/MacOS/start_glue --test
-dist/glue $1.app/Contents/MacOS/start_glue --test
 hdiutil create -volname "Glue" -srcfolder dist -ov -format UDZO dist/"glue $1.dmg"
 rm -rf dist/"glue $1.app"
diff --git a/requirements.txt b/requirements.txt
index 0c43de5..6b9a47d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,13 +1,11 @@
-git+https://github.com/pyinstaller/pyinstaller
-ipykernel<6  # Install old version of ipykernel to avoid terminal issues
-glue-core==1.7.0
+pyinstaller
+glue-core==1.8.1
 glue-vispy-viewers==1.0.7
 glue-wwt==0.6.1
 glue-plotly==0.4.0
-pvextractor
-pywwt
+pvextractor==0.3
+pywwt==0.19.0
 notebook
-numpy<1.22
-astropy<5.0
-PyQt5==5.14.2
-PyQtWebEngine==5.14.0
+PyQt6==6.4.2
+PyQt6-WebEngine==6.4.0
+git+https://github.com/vispy/vispy
diff --git a/start_glue.py b/start_glue.py
index 204377c..9ea067e 100644
--- a/start_glue.py
+++ b/start_glue.py
@@ -11,11 +11,12 @@
 
 os.environ['QTWEBENGINE_CHROMIUM_FLAGS'] = '--ignore-gpu-blacklist'
 
-logger.setLevel("INFO")
+if __name__ == "__main__":
 
-load_plugins()
+    if '--debug' in sys.argv or '--test' in sys.argv:
+        logger.setLevel("INFO")
 
-if __name__ == "__main__":
+    load_plugins()
 
     if '--debug' in sys.argv:
         import faulthandler