try this

Author: Joey Jurjens

.github/workflows/ci.yml

@@ -33,8 +33,8 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11"]
-        django-version: ["3.2", "4.2"]
+        python-version: ["3.9", "3.10", "3.11"]
+        django-version: ["4.2", "5.2"]
         oscar-version: ["3.2"]
     steps:
       - name: Download src dir
@@ -48,9 +48,9 @@ jobs:
           python-version: ${{ matrix.python-version }}
       - name: Install all dependencies
         run: |
-          make install
-          pip install "django~=${{ matrix.django-version }}"
-          pip install "django-oscar~=${{ matrix.oscar-version }}"
+          pip install -e .[dev]
+          pip install "django~=${{ matrix.django-version }}.0"
+          pip install "django-oscar~=${{ matrix.oscar-version }}.0"
       - name: Show all versions
         run: pip list
       - name: Run the testsuite