diff --git a/conf.py b/conf.py
index b1ed81f5..c0b04c66 100644
--- a/conf.py
+++ b/conf.py
@@ -58,6 +58,7 @@
     'nbsphinx',
     'sphinx.ext.extlinks',
     'sphinxcontrib.bibtex',
+    'sphinx_copybutton',
 ]
 
 bibtex_bibfiles = ['references.bib']
diff --git a/environment.yml b/environment.yml
index 8ff85ec3..d757600f 100644
--- a/environment.yml
+++ b/environment.yml
@@ -28,3 +28,4 @@ dependencies:
   - sphinx-book-theme
   - sphinx-design
   - sphinxcontrib-bibtex
+  - sphinx-copybutton