diff --git a/.github/workflows/cache_dependencies.yml b/.github/workflows/cache_dependencies.yml
index 8919a1123..8b8fdc9ed 100644
--- a/.github/workflows/cache_dependencies.yml
+++ b/.github/workflows/cache_dependencies.yml
@@ -14,19 +14,15 @@ jobs:
       GH_TOKEN: ${{ github.token }}
     strategy:
       matrix:
-        combos:
-          - {python_version: '3.9', venv_suffix: '9'}
-          - {python_version: '3.10', venv_suffix: '10'}
-          - {python_version: '3.11.11', venv_suffix: '11'}
-          - {python_version: '3.12.8', venv_suffix: '12'}
+        python-version: ['3.9', '3.10', '3.11', '3.12']
 
     steps:
       - uses: actions/checkout@v4
 
-      - name: Set up Python ${{ matrix.combos.python_version }}
+      - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v5
         with:
-          python-version: ${{ matrix.combos.python_version }}
+          python-version: ${{ matrix.python-version }}
 
       - name: Check full Python version
         run: |
diff --git a/.github/workflows/regression_tests.yml b/.github/workflows/regression_tests.yml
index 9ae47d1f1..19122267c 100644
--- a/.github/workflows/regression_tests.yml
+++ b/.github/workflows/regression_tests.yml
@@ -22,6 +22,7 @@ jobs:
       GH_TOKEN: ${{ github.token }}
     strategy:
       matrix:
+        python-version: ['3.10']
         group: [1, 2, 3, 4, 5, 6]
 
     steps:
@@ -44,25 +45,32 @@ jobs:
         id: check_changes
         run: echo "has_changes=${{ steps.changes.outputs.has_changes }}" >> $GITHUB_ENV
 
-      - name: Set up Python 3.10
+      - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v5
         with:
-          python-version: '3.10'
+          python-version: ${{ matrix.python-version }}
+
+      - name: Check full Python version
+        run: |
+          python --version
+          python_version=$(python --version 2>&1 | cut -d' ' -f2)
+          echo "Python version: $python_version"
+          echo "version=$python_version" >> $GITHUB_ENV
 
       - name: Restore Python environment cache
         if: env.has_changes == 'true'
         id: restore-env
         uses: actions/cache/restore@v4
         with:
-          path: .venv-10
-          key: ${{ runner.os }}-venv-10-${{ hashFiles('devtools/dev-requirements.txt', 'requirements.txt') }}
+          path: .venv-${{ env.version }}
+          key: ${{ runner.os }}-venv-${{ env.version }}-${{ hashFiles('devtools/dev-requirements.txt', 'requirements.txt') }}
 
       - name: Set up virtual environment if not restored from cache
         if: steps.restore-env.outputs.cache-hit != 'true' && env.has_changes == 'true'
         run: |
           gh cache list
-          python -m venv .venv-10
-          source .venv-10/bin/activate
+          python -m venv .venv-${{ env.version }}
+          source .venv-${{ env.version }}/bin/activate
           python -m pip install --upgrade pip
           pip install -r devtools/dev-requirements.txt
           pip install matplotlib==3.9.2
@@ -76,7 +84,7 @@ jobs:
       - name: Test with pytest
         if: env.has_changes == 'true'
         run: |
-          source .venv-10/bin/activate
+          source .venv-${{ env.version }}/bin/activate
           pwd
           lscpu
           pip list
@@ -97,7 +105,7 @@ jobs:
         if: always() && env.has_changes == 'true'
         uses: actions/upload-artifact@v4
         with:
-          name: regression_test_artifact-3.10-${{ matrix.group }}
+          name: regression_test_artifact-${{ matrix.python-version }}-${{ matrix.group }}
           path: |
             ./cov.xml
             ./mpl_results.html
diff --git a/.github/workflows/unit_tests.yml b/.github/workflows/unit_tests.yml
index 4392c1ed3..023e6503b 100644
--- a/.github/workflows/unit_tests.yml
+++ b/.github/workflows/unit_tests.yml
@@ -22,14 +22,14 @@ jobs:
       GH_TOKEN: ${{ github.token }}
     strategy:
       matrix:
-        combos: [{group: 1, python_version: '3.9', venv_suffix: '9'},
-                 {group: 2, python_version: '3.10', venv_suffix: '10'},
-                 {group: 3, python_version: '3.11.11', venv_suffix: '11'},
-                 {group: 4, python_version: '3.12.8', venv_suffix: '12'},
-                 {group: 5, python_version: '3.12.8', venv_suffix: '12'},
-                 {group: 6, python_version: '3.12.8', venv_suffix: '12'},
-                 {group: 7, python_version: '3.12.8', venv_suffix: '12'},
-                 {group: 8, python_version: '3.12.8', venv_suffix: '12'}]
+        combos: [{group: 1, python_version: '3.9'},
+                 {group: 2, python_version: '3.10'},
+                 {group: 3, python_version: '3.11'},
+                 {group: 4, python_version: '3.12'},
+                 {group: 5, python_version: '3.12'},
+                 {group: 6, python_version: '3.12'},
+                 {group: 7, python_version: '3.12'},
+                 {group: 8, python_version: '3.12'}]
 
     steps:
       - uses: actions/checkout@v4
@@ -56,20 +56,27 @@ jobs:
         with:
           python-version: ${{ matrix.combos.python_version }}
 
+      - name: Check full Python version
+        run: |
+          python --version
+          python_version=$(python --version 2>&1 | cut -d' ' -f2)
+          echo "Python version: $python_version"
+          echo "version=$python_version" >> $GITHUB_ENV
+
       - name: Restore Python environment cache
         if: env.has_changes == 'true'
         id: restore-env
         uses: actions/cache/restore@v4
         with:
-          path: .venv-${{ matrix.combos.venv_suffix }}
-          key: ${{ runner.os }}-venv-${{ matrix.combos.venv_suffix }}-${{ hashFiles('devtools/dev-requirements.txt', 'requirements.txt') }}
+          path: .venv-${{ env.version }}
+          key: ${{ runner.os }}-venv-${{ env.version }}-${{ hashFiles('devtools/dev-requirements.txt', 'requirements.txt') }}
 
       - name: Set up virtual environment if not restored from cache
         if: steps.restore-env.outputs.cache-hit != 'true' && env.has_changes == 'true'
         run: |
           gh cache list
-          python -m venv .venv-${{ matrix.combos.venv_suffix }}
-          source .venv-${{ matrix.combos.venv_suffix }}/bin/activate
+          python -m venv .venv-${{ env.version }}
+          source .venv-${{ env.version }}/bin/activate
           python -m pip install --upgrade pip
           pip install -r devtools/dev-requirements.txt
           pip install matplotlib==3.9.2
@@ -83,7 +90,7 @@ jobs:
       - name: Action Details
         if: env.has_changes == 'true'
         run: |
-          source .venv-${{ matrix.combos.venv_suffix }}/bin/activate
+          source .venv-${{ env.version }}/bin/activate
           which python
           python --version
           pwd
@@ -93,7 +100,7 @@ jobs:
       - name: Test with pytest
         if: env.has_changes == 'true'
         run: |
-          source .venv-${{ matrix.combos.venv_suffix }}/bin/activate
+          source .venv-${{ env.version }}/bin/activate
           python -m pytest -v -m unit \
             --durations=0 \
             --cov-report xml:cov.xml \