diff --git a/requirements.txt b/requirements.txt
index bb232f4..3aedb1e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,6 +16,6 @@ requests==2.22.0
 six==1.12.0
 slackclient==2.2.1
 slackeventsapi==2.1.0
-urllib3==1.25.6
+urllib3==1.26.5
 Werkzeug==0.16.0
 yarl==1.3.0