diff --git a/examples/timeseries/timeseries_requirements.txt b/examples/timeseries/timeseries_requirements.txt
index d79436e..e7fc282 100644
--- a/examples/timeseries/timeseries_requirements.txt
+++ b/examples/timeseries/timeseries_requirements.txt
@@ -55,7 +55,7 @@ tornado==4.5.2
 traitlets==4.3.2
 tweet-parser==1.13.0
 git+https://github.com/twitterdev/twitter_search_api.git#egg=twittersearch
-urllib3==1.22
+urllib3==1.26.19
 wcwidth==0.1.7
 webencodings==0.5.1
 widgetsnbextension==3.0.6