diff --git a/doc/rtd/conf.py b/doc/rtd/conf.py
index 5b9a9cc88..d75553bfd 100644
--- a/doc/rtd/conf.py
+++ b/doc/rtd/conf.py
@@ -30,7 +30,7 @@
 # Add any Sphinx extension module names here, as strings. They can be
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
-extensions = ['sphinx.ext.autodoc', 'sphinx.ext.napoleon']
+extensions = ['sphinx.ext.autodoc', 'sphinx.ext.napoleon', 'sphinx_copybutton']
 autodoc_member_order = 'bysource'
 
 # Add any paths that contain templates here, relative to this directory.
diff --git a/doc/rtd/requirements.txt b/doc/rtd/requirements.txt
index 1f2d2cf92..49a3b26c1 100644
--- a/doc/rtd/requirements.txt
+++ b/doc/rtd/requirements.txt
@@ -1,3 +1,4 @@
 sphinx
 sphinx_rtd_theme
-sphinxcontrib-napoleon
\ No newline at end of file
+sphinxcontrib-napoleon
+sphinx-copybutton
\ No newline at end of file