diff --git a/examples/notebooks/tf_2_0/requirements.txt b/examples/notebooks/tf_2_0/requirements.txt
index e840674..8005bd4 100644
--- a/examples/notebooks/tf_2_0/requirements.txt
+++ b/examples/notebooks/tf_2_0/requirements.txt
@@ -35,7 +35,7 @@ kiwisolver==1.2.0
 Markdown==3.2.1
 MarkupSafe==1.1.1
 matplotlib==3.2.1
-mistune==0.8.4
+mistune==2.0.3
 nbconvert==5.6.1
 nbformat==5.0.5
 notebook==6.1.5