diff --git a/.readthedocs.yml b/.readthedocs.yml
index d46cbe6c8b..a4c06e6223 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -15,7 +15,7 @@ build:
       - asdf global uv latest
       - uv venv
     install:
-      - uv sync
+      - uv sync --group docs
     build:
       html:
         - uv run sphinx-build -T -b html docs $READTHEDOCS_OUTPUT/html