diff --git a/requirements.txt b/requirements.txt
index 3799e13..689b1b2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ Jinja2==2.9.6
 MarkupSafe==1.0
 Pygments==2.2.0
 pytz==2017.2
-requests==2.18.4
+requests==2.20.0
 six==1.10.0
 snowballstemmer==1.2.1
 Sphinx==1.6.3