diff --git a/requirements.txt b/requirements.txt
index 5fd3a05..304e826 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,5 +18,5 @@ requests-oauthlib==0.8.0
 six==1.11.0
 texttable==1.2.1
 tweepy==3.5.0
-urllib3==1.21.1
+urllib3==1.26.5
 Werkzeug==0.13