diff --git a/requirements-dev.txt b/requirements-dev.txt
index 43b2e2e..cc56910 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,5 +1,5 @@
 twine
-mkdocs==1.0.4
+mkdocs==1.2.3
 mkdocs-bootswatch==1.0
 pycodestyle>=2.3.1
 https://github.com/mitya57/python-markdown-math/archive/1a87235b87b9e39b3206345c5a830448a513c9a1.zip