Fix CI

Author: bluebird75

Diff for: .github/workflows/ci.yml

@@ -2,7 +2,6 @@
 name: Continuous Integration
 
 env:
-  PYSIDE6_VERSION: 6.6.2
 
 on:
   push:
@@ -21,10 +20,12 @@ jobs:
           # oldest version of pyhon / mypy which works
           - python-version: "3.9"
             mypy-version: "1.1.1"
+            pyside6-version: "6.6.2"
 
           # latest version of everything
           - python-version: "3.13"
-            mypy-version: "1.4.1"
+            mypy-version: "1.15"
+            pyside6-version: "6.8.2.1"
 
     steps:
     - uses: actions/checkout@v3
@@ -38,7 +39,7 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         python -m pip install setuptools==75.8.0
-        python -m pip install pyside6==${{ env.PYSIDE6_VERSION }} pytest mypy==${{ matrix.mypy-version }}
+        python -m pip install pyside6==${{ matrix.pyside6-version }} pytest mypy==${{ matrix.mypy-version }}
         pip install -e . --config-settings editable_mode=compat
         pip list