diff --git a/requirements.txt b/requirements.txt
index 544d82a..11bee3f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,7 +16,7 @@ pytz==2018.9
 six==1.12.0
 slackclient==1.3.1
 tzlocal==1.5.1
-urllib3==1.24.2
+urllib3==1.26.5
 websocket-client==0.54.0
 font-fredoka-one==0.0.4
 Pillow==6.2.0