diff --git a/docs/requirements.txt b/docs/requirements.txt
index 7a66767..e5979c7 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -12,7 +12,7 @@ livereload>=2.6.3
 lunr>=0.5.8
 Markdown>=3.3.4
 MarkupSafe>=2.0.1
-mkdocs>=1.1.2
+mkdocs>=1.6.1
 more-itertools>=8.7.0
 nltk>=3.6.2
 packaging>=20.9