diff --git a/.github/workflows/tests-python.yml b/.github/workflows/tests-python.yml
index 5342c85..371f1b0 100644
--- a/.github/workflows/tests-python.yml
+++ b/.github/workflows/tests-python.yml
@@ -26,9 +26,9 @@ jobs:
         # matrix slots on other OS than Linux.
         include:
           - os: "macos-latest"
-            python-version: "3.11"
+            python-version: "3.12"
           - os: "windows-latest"
-            python-version: "3.11"
+            python-version: "3.12"
 
     env:
       OS: ${{ matrix.os }}
@@ -53,7 +53,20 @@ jobs:
           cache: "pip"
           cache-dependency-path: "setup.cfg"
 
-      - name: Install project
+      - name: Install project (Linux)
+        if: runner.os == 'Linux'
+        run: |
+          pip3 install --requirement=requirements-test.txt
+          pip3 install --editable=.
+
+      - name: Install project (macOS)
+        if: runner == "macOS"
+        run: |
+          pip3 install --break-system-packages --requirement=requirements-test.txt
+          pip3 install --break-system-packages --editable=.
+
+      - name: Install project (Windows)
+        if: runner == "Windows"
         run: |
           pip3 install --requirement=requirements-test.txt
           pip3 install --editable=.