diff --git a/docs/source/conf.py b/docs/source/conf.py
index f4daec38dd49f2c31ff77874c240ebce780a8edf..bc2f6c1bf298048603406297d9226c8ee6fd45d0 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -18,6 +18,7 @@ release = '0.1'
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
 extensions = [
+   'sphinx_copybutton',
    'sphinx_rtd_theme'
 ]