diff --git a/docs/requirements.txt b/docs/requirements.txt
index 3bae619297..de8870c9fe 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -12,3 +12,4 @@ pyro-api>=0.1.1
 tqdm>=4.36
 funsor[torch]
 setuptools
+sphinx_copybutton
diff --git a/docs/source/conf.py b/docs/source/conf.py
index afb694ddd1..9d7b6b063e 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -48,6 +48,7 @@
     "sphinx.ext.autodoc",
     "sphinx.ext.doctest",
     'sphinx.ext.napoleon',
+    "sphinx_copybutton",
 ]
 
 # Disable documentation inheritance so as to avoid inheriting