diff --git a/requirements.txt b/requirements.txt
index 0dd1024..deb9133 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -63,7 +63,7 @@ testpath==0.4.4
 tornado==6.0.3
 traitlets==4.3.3
 tweepy==3.8.0
-urllib3==1.25.7
+urllib3==1.25.8
 wcwidth==0.1.7
 webencodings==0.5.1
 widgetsnbextension==3.5.1