diff --git a/docs/requirements.txt b/docs/requirements.txt
index 39fb15a..4b235e3 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -24,7 +24,7 @@ markupsafe==1.1.1
 mkautodoc==0.1.0
 mkdocs==1.2.3
 mock==4.0.1
-more-itertools==8.2.0
+more-itertools==8.14.0
 mypy==0.761
 mypy-extensions==0.4.3
 nltk==3.6.6; python_version > "2.7"