diff --git a/examples/timeseries/timeseries_requirements.txt b/examples/timeseries/timeseries_requirements.txt
index d79436e..80e9b62 100644
--- a/examples/timeseries/timeseries_requirements.txt
+++ b/examples/timeseries/timeseries_requirements.txt
@@ -26,7 +26,7 @@ mistune==0.8
 nbconvert==5.3.1
 nbformat==4.4.0
 nltk==3.2.5
-notebook==5.2.0
+notebook==6.4.12
 numpy==1.13.3
 pandas==0.22
 pandocfilters==1.4.2