diff --git a/all_requirements.txt b/all_requirements.txt
index a15a81e..010c5d3 100644
--- a/all_requirements.txt
+++ b/all_requirements.txt
@@ -18,7 +18,7 @@ jupyter-core==4.4.0
 kiwisolver==1.0.1
 MarkupSafe==1.0
 matplotlib==3.3.0
-mistune==0.8.3
+mistune==2.0.3
 nbconvert==5.3.1
 nbformat==4.4.0
 notebook==6.4.12