diff --git a/.github/workflows/build-documentation.yml b/.github/workflows/build-documentation.yml
index b46b5a9..28a6fa9 100644
--- a/.github/workflows/build-documentation.yml
+++ b/.github/workflows/build-documentation.yml
@@ -29,7 +29,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: 3.10
+          python-version: "3.10"
 
 
       - name: create environment with mamba