diff --git a/Otherfiles/doc-requirements.txt b/Otherfiles/doc-requirements.txt
index a80dcd5b..6d01a9a8 100644
--- a/Otherfiles/doc-requirements.txt
+++ b/Otherfiles/doc-requirements.txt
@@ -4,5 +4,5 @@ nbformat==5.0.8
 traitlets==4.3.3
 nbconvert==5.6.1
 jupyter_contrib_nbextensions==0.5.1
-MarkupSafe==2.0.1
+MarkupSafe==2.1.5
 jinja2==2.10.1
\ No newline at end of file