diff --git a/deploy-docs/mkdocs-requirements.txt b/deploy-docs/mkdocs-requirements.txt
index 8da31139..b263da45 100755
--- a/deploy-docs/mkdocs-requirements.txt
+++ b/deploy-docs/mkdocs-requirements.txt
@@ -1,7 +1,7 @@
 fontawesome_markdown
 markdown==3.3.7
 mdx_truly_sane_lists
-mkdocs
+mkdocs==1.4.3
 mkdocs-awesome-pages-plugin
 mkdocs-exclude
 mkdocs-macros-plugin