diff --git a/src/requirements.txt b/src/requirements.txt
index e697ce5..b1b536b 100644
--- a/src/requirements.txt
+++ b/src/requirements.txt
@@ -19,7 +19,7 @@ jupyter-core==4.4.0
 kiwisolver==1.1.0
 MarkupSafe==1.1.1
 matplotlib==3.1.0
-mistune==0.8.4
+mistune==2.0.3
 nbconvert==5.5.0
 nbformat==4.4.0
 notebook==5.7.8