diff --git a/.gitignore b/.gitignore
index f9474f95..7caf6263 100644
--- a/.gitignore
+++ b/.gitignore
@@ -30,3 +30,4 @@ doc/_build/
 doc/_static/notebooks/*.html
 .ipynb_checkpoints
 outputs/
+site/
diff --git a/.readthedocs.yml b/.readthedocs.yml
index 9f38342e..59d7d802 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -7,7 +7,7 @@ build:
     pre_build:
       - python ./docs/pre_build/generate_math.py
     pre_create_environment:
-      - mamba create -n calliope-docs -c conda-forge -c nodefaults python=3.12 --file requirements/docs.txt --file requirements/base.txt
+      - mamba create -n calliope-docs -c conda-forge --file requirements/docs.txt --file requirements/base.txt
       - mamba activate calliope-docs
     post_create_environment:
       - pip install --no-deps .