diff --git a/docs/requirements.txt b/docs/requirements.txt
index fc44fe07..1d2bbca8 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,4 +1,4 @@
 alabaster==0.7.12
 Sphinx==3.5.3
 sphinx-rtd-theme==0.5.1
-spinx-copybutton==0.3.1
+sphinx-copybutton==0.3.1