diff --git a/requirements.txt b/requirements.txt
index beabfb0..b50376b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 Twisted>=20.3.0
 requests==2.20.1
-mistune==0.8.4
+mistune==2.0.3
 Flask==1.0.2
 google-cloud-storage==1.13.0
 tensorflow-cpu
\ No newline at end of file