diff --git a/requirements.txt b/requirements.txt
index 4ee79ded..2a267526 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -41,7 +41,7 @@ lazy-object-proxy==1.6.0
 llvmlite==0.36.0
 macholib==1.14
 Mako==1.1.4
-MarkupSafe==2.0.1
+MarkupSafe==2.1.2
 matplotlib==3.3.4
 mccabe==0.6.1
 mypy-extensions==0.4.3