diff --git a/.github/workflows/test-python-flask.yml b/.github/workflows/test-python-flask.yml
index 57d5001..b6129c2 100644
--- a/.github/workflows/test-python-flask.yml
+++ b/.github/workflows/test-python-flask.yml
@@ -52,7 +52,7 @@ jobs:
           architecture: x64
           cache: 'pip'
             cache-dependency-path: |
-              python-flask/pyproject.toml
+              'python-flask/pyproject.toml'
 
       - name: Install utilities
         run: |