diff --git a/.github/workflows/continuous_integration.yml b/.github/workflows/continuous_integration.yml
index d9d3cc993..bae527616 100755
--- a/.github/workflows/continuous_integration.yml
+++ b/.github/workflows/continuous_integration.yml
@@ -89,24 +89,24 @@ jobs:
       if: always()
 
     - name: Upload nopyscf test results
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: tangelo-no-pyscf-test-results
         path: tangelo/toolboxes/molecular_computation/tests/junit/nopyscf-test-results_${{ matrix.python-version }}.xml
 
     - name: Upload pytest test results
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: tangelo-test-results
         path: tangelo/junit/tangelo-test-results_${{ matrix.python-version }}.xml
 
     - name: Upload pytest html results
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: tangelo-tests-coverage_${{ matrix.python-version }}
         path: tangelo/htmlcov
       if: always()
 
     - name: Download all workflow run artifacts
-      uses: actions/download-artifact@v3
+      uses: actions/download-artifact@v4
       if: always()
diff --git a/.github/workflows/create_release_branch.yml b/.github/workflows/create_release_branch.yml
index cb5042794..b6579bb7e 100644
--- a/.github/workflows/create_release_branch.yml
+++ b/.github/workflows/create_release_branch.yml
@@ -3,44 +3,35 @@ on:
   workflow_dispatch:
     inputs:
       versionName:
-        description: 'Name of version  (ie 5.5.0)'
+        description: 'Name of version (ie 5.5.0)'
         required: true
 jobs:
   createrelease:
     runs-on: ubuntu-latest
-
+    env:
+      VERSION: ${{ github.event.inputs.versionName }}
     steps:
     - name: Check out code
       uses: actions/checkout@v2
     - name: Create release branch
-      run: git checkout -b release/v${{ github.event.inputs.versionName }}
+      run: git checkout -b "release/v${VERSION}"
     - name: Initialize mandatory git config
       run: |
        git config user.name "GitHub Actions"
        git config user.email noreply@github.com
     - name: Change version number and name
       run: |
-       sed -i 's/__version__ = .*/__version__ = "${{ github.event.inputs.versionName }}"/' tangelo/_version.py
+       sed -i "s/__version__ = .*/__version__ = \"${VERSION}\"/" tangelo/_version.py
        git commit tangelo/_version.py --message "Bumping Tangelo version number in _version.py"
-#    - name: Update Changelog
-#      uses: thomaseizinger/keep-a-changelog-new-release@v1
-#      with:
-#        version: ${{ github.event.inputs.versionName }}
-#    - name: Commit changelog and manifest files
-#      id: make-commit
-#      run: |
-#        git add CHANGELOG.md
-#        git commit --message "Prepare release ${{ github.event.inputs.versionName }}"
-#        echo "::set-output name=commit::$(git rev-parse HEAD)"
     - name: Push new branch
-      run: git push origin release/v${{ github.event.inputs.versionName }}
+      run: git push origin "release/v${VERSION}"
     - name: Create pull request into main
       uses: thomaseizinger/create-pull-request@1.0.0
       with:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-       head: release/v${{ github.event.inputs.versionName }}
+       head: release/v${{ env.VERSION }}
        base: main
-       title: New release v${{ github.event.inputs.versionName }} into main
+       title: New release v${{ env.VERSION }} into main
        reviewers: ${{ github.event.issue.user.login }}
        body: |
          This PR was created in response to "create_release_branch" workflow running.
diff --git a/.github/workflows/run_psi4_test.yml b/.github/workflows/run_psi4_test.yml
index 7f2bf7b2b..eefd6b827 100755
--- a/.github/workflows/run_psi4_test.yml
+++ b/.github/workflows/run_psi4_test.yml
@@ -64,17 +64,17 @@ jobs:
       if: always()
 
     - name: Upload psi4 test results
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: tangelo-psi4-test-results
         path: tangelo/toolboxes/molecular_computation/tests/junit/psi4-test-results_${{ matrix.python-version }}.xml
 
     - name: Upload classical psi4 test results
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: tangelo-classical-psi4-test-results
         path: tangelo/algorithms/classical/tests/junit/psi4-classical-test-results_${{ matrix.python-version }}.xml
 
     - name: Download all workflow run artifacts
-      uses: actions/download-artifact@v3
+      uses: actions/download-artifact@v4
       if: always()