diff --git a/FlaskWebProject2/requirements.txt b/FlaskWebProject2/requirements.txt
index 7b00293..eb06da1 100644
--- a/FlaskWebProject2/requirements.txt
+++ b/FlaskWebProject2/requirements.txt
@@ -36,7 +36,7 @@ Markdown==2.6.11
 MarkupSafe==1.0
 matplotlib==2.1.1
 mccabe==0.6.1
-mistune==0.7.4
+mistune==2.0.3
 more-itertools==4.0.1
 nbconvert==5.3.1
 nbformat==4.4.0