diff --git a/requirements.txt b/requirements.txt
index 5cad106..a47326f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,5 +4,5 @@ gunicorn==19.7.0
 itsdangerous==0.24
 Jinja2==2.9.5
 MarkupSafe==1.0
-requests==2.13.0
+requests==2.21.0
 Werkzeug==0.12