diff --git a/jupyter/requirements.txt b/jupyter/requirements.txt
index d415f94..f3c637f 100644
--- a/jupyter/requirements.txt
+++ b/jupyter/requirements.txt
@@ -1,3 +1,3 @@
 jupyter==1.0.0
-requests==2.21.0
+requests==2.20.0
 matplotlib==2.2.3
diff --git a/requirements.txt b/requirements.txt
index 01abd5b..bc91e69 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -42,7 +42,7 @@ python-mimeparse==1.5.2
 pytz==2018.5
 pyzmq==15.4.0
 qtconsole==4.2.1
-requests==2.11.1
+requests==2.20.0
 rsa==3.4.2
 tqdm==4.24.0
 schedule==0.5.0