diff --git a/{{ cookiecutter.namespace }}/.github/workflows/run_all_tests.yml b/{{ cookiecutter.namespace }}/.github/workflows/run_all_tests.yml
index bf36c98..ff7f3af 100644
--- a/{{ cookiecutter.namespace }}/.github/workflows/run_all_tests.yml	
+++ b/{{ cookiecutter.namespace }}/.github/workflows/run_all_tests.yml	
@@ -159,7 +159,8 @@ jobs:
         if: ${{ "{{" }} matrix.requirements == 'upgraded' }}
         run: |
           python -m pip install -r requirements-dev.txt
-          python -m pip install -U -e .
+          # force upgrade of all dependencies to latest versions within allowed range
+          python -m pip install -U --upgrade-strategy eager .
 
       - name: Run tests
         run: |