diff --git a/doc/requirements.txt b/doc/requirements.txt
index 485b36e..09d289c 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -12,5 +12,5 @@ sphinx_rtd_theme ~= 3.1
 sphinxcontrib-mermaid ~= 2.0
 autoapi ~= 2.0.1
 sphinx_design ~= 0.7.0
-sphinx-copybutton ~= 0.5.0
+sphinx-copybutton ~= 0.5.2
 sphinx_autodoc_typehints ~= 3.6