diff --git a/.github/actions/setup-poetry-env/action.yml b/.github/actions/setup-poetry-env/action.yml
index 7210b987..095b3764 100644
--- a/.github/actions/setup-poetry-env/action.yml
+++ b/.github/actions/setup-poetry-env/action.yml
@@ -34,7 +34,7 @@ runs:
       uses: actions/cache@v4
       with:
         path: .venv
-        key: venv-${{ runner.os }}-${{ inputs.python-version }}-${{ hashFiles('poetry.lock') }}
+        key: venv-${{ runner.os }}-${{ inputs.python-version }}-${{ hashFiles('poetry.lock') }}-${{ hashFiles('pyproject.toml') }}
 
     - name: Install dependencies
       if: steps.cached-poetry-dependencies.outputs.cache-hit != 'true'