diff --git a/_build/.requirements.txt b/_build/.requirements.txt
index 4a52e3fcb7e..430bce090b0 100644
--- a/_build/.requirements.txt
+++ b/_build/.requirements.txt
@@ -6,7 +6,7 @@ Jinja2==2.9.6
 MarkupSafe==1.0
 Pygments==2.2.0
 pytz==2017.2
-requests==2.12.5
+requests==2.20.0
 six==1.10.0
 snowballstemmer==1.2.1
 Sphinx==1.3.6