diff --git a/utils/test_doc/requirements.txt b/utils/test_doc/requirements.txt
index d14e7a946..2859da4d7 100644
--- a/utils/test_doc/requirements.txt
+++ b/utils/test_doc/requirements.txt
@@ -5,3 +5,4 @@ mkdocs-git-revision-date-localized-plugin
 mkdocs-material
 mkdocs-material-extensions
 mkdocs-pymdownx-material-extras
+mdutils
\ No newline at end of file