diff --git a/requirements.txt b/requirements.txt
index 466e320..a390891 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-requests==2.11.1
+requests==2.20.0
 flask==0.11.1
 requests-oauthlib==0.7.0
 ga4gh_client==0.0.1