diff --git a/pyproject.toml b/pyproject.toml
index 0db1c8b42a6..8b4d8174fae 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -82,7 +82,7 @@ doc = [
     "pyvista==0.37.0",
     "sphinx-autobuild==2021.3.14",
     "sphinx-autodoc-typehints==1.19.5",
-    "sphinx-copybutton==0.5.0",
+    "sphinx-copybutton==0.5.1",
     "sphinx-gallery==0.11.1",
     "sphinx-notfound-page==0.8.3",
     "sphinxcontrib-websupport==1.2.4",