diff --git a/.github/workflows/deploy_to_github_io_dev.yml b/.github/workflows/deploy_to_github_io_dev.yml
index 240b4648..845ad563 100644
--- a/.github/workflows/deploy_to_github_io_dev.yml
+++ b/.github/workflows/deploy_to_github_io_dev.yml
@@ -17,7 +17,7 @@ jobs:
       - uses: conda-incubator/setup-miniconda@v2
         with:
           auto-update-conda: true
-          python-version: 3.8
+          python-version: 3.9
           activate-environment: opensarlab-docs
           environment-file: opensarlab-docs/environment.yml