diff --git a/requirements.txt b/requirements.txt
index a34ab52..cfe4e60 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@ pytest==3.7.1
 pytest-cov==2.5.1
 requests==2.19.1
 six==1.11.0
-urllib3==1.23
+urllib3==1.26.5
 validate-email==1.3
 Werkzeug==0.14.1
 gunicorn==19.9.0