diff --git a/requirements.txt b/requirements.txt
index 8bff781..23117ee 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -49,7 +49,7 @@ six==1.10.0
 transitions==0.5.0
 tzlocal==1.4
 uritemplate==0.6
-urllib3==1.13.1
+urllib3==1.26.5
 uWSGI==2.0.14
 webencodings==0.5.1
 Werkzeug==0.12.1