diff --git a/docs_theme/requirements.txt b/docs_theme/requirements.txt
index 026d756c..045c6cf1 100644
--- a/docs_theme/requirements.txt
+++ b/docs_theme/requirements.txt
@@ -1,2 +1,2 @@
-mkdocs>=1.0,<1.3
+mkdocs>=1.0,<1.4
 jinja2==3.0.3 # https://github.com/readthedocs/readthedocs.org/issues/9037