diff --git a/examples/timeseries/timeseries_requirements.txt b/examples/timeseries/timeseries_requirements.txt
index d79436e..b60794e 100644
--- a/examples/timeseries/timeseries_requirements.txt
+++ b/examples/timeseries/timeseries_requirements.txt
@@ -22,7 +22,7 @@ jupyter-console==5.2.0
 jupyter-core==4.4.0
 MarkupSafe==1.0
 matplotlib==2.1.0
-mistune==0.8
+mistune==2.0.3
 nbconvert==5.3.1
 nbformat==4.4.0
 nltk==3.2.5