diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index 960c1e8a..65047b46 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -14,3 +14,4 @@ python:
       path: .
       extra_requirements:
         - docs
+        - sphinx-copybutton
\ No newline at end of file