diff --git a/chemotracker/requirements.txt b/chemotracker/requirements.txt
index af71831..41114b0 100644
--- a/chemotracker/requirements.txt
+++ b/chemotracker/requirements.txt
@@ -16,6 +16,6 @@ pytz==2017.2
 requests==2.18.4
 requests-oauthlib==0.8.0
 six==1.10.0
-urllib3==1.22
+urllib3==1.26.5
 virtualenv==15.1.0
 virtualenvwrapper-win==1.2.1