diff --git a/requirements.txt b/requirements.txt
index 7a52034..f277b69 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,6 +17,6 @@ pyOpenSSL==18.0.0
 PySocks==1.6.8
 requests==2.19.1
 six==1.11.0
-urllib3==1.23
+urllib3==1.26.5
 Werkzeug==0.14.1
 WTForms==2.1