diff --git a/.github/workflows/compatibility.yml b/.github/workflows/compatibility.yml
index 20f4fc1..f48cb5a 100644
--- a/.github/workflows/compatibility.yml
+++ b/.github/workflows/compatibility.yml
@@ -10,46 +10,31 @@ permissions:
   contents: read
 
 jobs:
-  prepare:
+  prepare-setuptools:
     runs-on: ubuntu-latest
     outputs:
       versions: ${{ steps.parser.outputs.versions || '[]' }}
     steps:
       - uses: actions/checkout@v6
-        with:
-          fetch-depth: 2
-
-      - name: Check license line changed
-        id: check
-        run: |
-          if [ "${{ github.event_name }}" = "workflow_dispatch" ]; then
-            echo "changed=true" >> "$GITHUB_OUTPUT"
-          elif git diff HEAD~1 HEAD -- pyproject.toml | grep -q '^[+-].*license = "Apache-2.0"'; then
-            echo "changed=true" >> "$GITHUB_OUTPUT"
-          else
-            echo "changed=false" >> "$GITHUB_OUTPUT"
-          fi
-
       - uses: actions/setup-python@v6
-        if: steps.check.outputs.changed == 'true'
         with:
           python-version: "3.14"
 
       - name: Generate version matrix
-        if: steps.check.outputs.changed == 'true'
         id: parser
         run: |
-          versions=$(python ci_loop_versions.py setuptools ">=77.0.1,<83")
+          python -m pip install --upgrade requests packaging
+          versions=$(python .github/scripts/ci_loop_versions.py setuptools ">=77.0.1,<83")
           echo "versions=$versions" >> "$GITHUB_OUTPUT"
 
-  check:
-    needs: prepare
-    if: needs.prepare.outputs.versions != '[]'
+  check-setuptools:
+    needs: prepare-setuptools
+    if: needs.prepare-setuptools.outputs.versions != '[]'
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
-        version: ${{ fromJSON(needs.prepare.outputs.versions) }}
+        version: ${{ fromJSON(needs.prepare-setuptools.outputs.versions) }}
 
     steps:
       - uses: actions/checkout@v6
diff --git a/.github/workflows/unit_tests.yml b/.github/workflows/unit_tests.yml
index d48d703..24332a8 100644
--- a/.github/workflows/unit_tests.yml
+++ b/.github/workflows/unit_tests.yml
@@ -187,3 +187,46 @@ jobs:
           pip install pip pytest tabulate regex setuptools build wheel -U
           pip install -v .
           pytest --durations=0 tests/${{ matrix.test_script }}.py
+
+  prepare-setuptools:
+    runs-on: ubuntu-latest
+    outputs:
+      versions: ${{ steps.parser.outputs.versions || '[]' }}
+    steps:
+      - uses: actions/checkout@v6
+      - uses: actions/setup-python@v6
+        with:
+          python-version: "3.14"
+
+      - name: Generate version matrix
+        id: parser
+        run: |
+          python -m pip install --upgrade requests packaging
+          versions=$(python .github/scripts/ci_loop_versions.py setuptools ">=77.0.1,<83")
+          echo "versions=$versions" >> "$GITHUB_OUTPUT"
+
+  check-setuptools:
+    needs: prepare-setuptools
+    if: needs.prepare-setuptools.outputs.versions != '[]'
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        version: ${{ fromJSON(needs.prepare-setuptools.outputs.versions) }}
+
+    steps:
+      - uses: actions/checkout@v6
+      - uses: actions/setup-python@v6
+        with:
+          python-version: "3.14"
+          cache: pip
+
+      - name: Install package with selected setuptools
+        run: |
+          python -m pip install --upgrade pip
+          python -m pip install . "setuptools==${{ matrix.version }}"
+
+      - name: Show versions
+        run: |
+          python --version
+          python -m pip show setuptools