diff --git a/requirements.txt b/requirements.txt
index 183bef6def..a523e9d743 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,3 +2,4 @@ sphinx==7.1.2
 sphinx-autobuild==2021.3.14
 sphinx-tabs==3.4.7
 sphinx-toolbox==3.8.0
+sphinx-copybutton==0.5.2