diff --git a/.gitignore b/.gitignore
index a3a50b7..e19eb64 100644
--- a/.gitignore
+++ b/.gitignore
@@ -27,7 +27,6 @@ src/
 home/
 .dockerignore
 Dockerfile
-requirements.txt
 search/
 uv.lock
 docs/_build/
diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index 63da2fe..9112659 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -17,6 +17,6 @@ sphinx:
 # Optionally, but recommended,
 # declare the Python requirements required to build your documentation
 # See https://docs.readthedocs.io/en/stable/guides/reproducible-builds.html
-# python:
-#    install:
-#    - requirements: docs/requirements.txt
+python:
+   install:
+   - requirements: docs/requirements.txt
diff --git a/docs/requirements.txt b/docs/requirements.txt
new file mode 100644
index 0000000..787317a
--- /dev/null
+++ b/docs/requirements.txt
@@ -0,0 +1 @@
+sphinx-copybutton