diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c24557387..d445a2970 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,10 +12,10 @@ jobs:
         uncertainties: [null, "uncertainties==3.1.6", "uncertainties>=3.1.6,<4.0.0"]
         extras: [null]
         include:
-          - python-version: 3.10 # Minimal versions
+          - python-version: "3.10" # Minimal versions
             numpy: "numpy"
             extras: matplotlib==2.2.5
-          - python-version: 3.10
+          - python-version: "3.10"
             numpy: "numpy"
             uncertainties: "uncertainties"
             extras: "sparse xarray netCDF4 dask[complete]==2023.4.0 graphviz babel==2.8 mip>=1.13"
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index c966ac3c3..8ebea5e60 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -17,7 +17,7 @@ jobs:
       - name: Set up minimal Python version
         uses: actions/setup-python@v2
         with:
-          python-version: 3.10
+          python-version: "3.10"
 
       - name: Get pip cache dir
         id: pip-cache