diff --git a/requirements_freeze.txt b/requirements_freeze.txt
index 4f87a81..cceec70 100644
--- a/requirements_freeze.txt
+++ b/requirements_freeze.txt
@@ -43,7 +43,7 @@ loguru==0.6.0
 MarkupSafe==2.1.1
 matplotlib-inline==0.1.3
 mccabe==0.7.0
-mistune==0.8.4
+mistune==2.0.3
 mypy-extensions==0.4.3
 nbclassic==0.4.3
 nbclient==0.6.6