diff --git a/requirements-dev.txt b/requirements-dev.txt
index 60a76c2..7a1ea4d 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -41,7 +41,7 @@ jupyterlab-pygments==0.2.2
 jupyterlab-widgets==1.1.0
 markupsafe==2.1.1
 matplotlib-inline==0.1.3
-mistune==0.8.4
+mistune==2.0.3
 more-itertools==8.13.0
 nbclient==0.6.4
 nbconvert==6.5.0