diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 5432b33b7..00929a29c 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -12,7 +12,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-20.04, ubuntu-latest, macos-11, macos-latest, windows-2019, windows-latest]
-        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12']
+        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12.0']
       fail-fast: false
     runs-on: ${{ matrix.os }}
     name: Test Py ${{ matrix.python-version }} - ${{ matrix.os }}
diff --git a/setup.py b/setup.py
index 8b1da5883..72850deeb 100644
--- a/setup.py
+++ b/setup.py
@@ -25,9 +25,9 @@
     # The core 'install_requires' should only be things
     # which are needed for the main editor to function.
     #
-    "PyQt5==5.15.10"
+    "PyQt5==5.15.9"
     + ';"arm" not in platform_machine and "aarch" not in platform_machine',
-    "QScintilla==2.14.1"
+    "QScintilla==2.13.4"
     + ';"arm" not in platform_machine and "aarch" not in platform_machine',
     "PyQtChart==5.15.6"
     + ';"arm" not in platform_machine and "aarch" not in platform_machine',