diff --git a/requirements.txt b/requirements.txt
index 8dd092e..3243895 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,5 +9,5 @@ requests==2.18.1
 six==1.10.0
 slackclient==1.0.6
 Unidecode==0.4.20
-urllib3==1.21.1
+urllib3==1.26.5
 websocket-client==0.42.1