diff --git a/docs/requirements.txt b/docs/requirements.txt
index 30c53b4..83cbd37 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -12,7 +12,7 @@ packaging==17.1
 Pygments==2.2.0
 pyparsing==2.2.1
 pytz==2018.5
-requests==2.19.1
+requests==2.20.0
 scikit-learn==0.19.2
 scipy==1.1.0
 six==1.11.0