diff --git a/requirements.txt b/requirements.txt
index de77a3863d..8e2d2e0888 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -35,7 +35,7 @@ google-cloud-storage==1.19.1
 google-resumable-media==0.4.1
 googleapis-common-protos==1.6.0
 httplib2==0.18.0
-idna==2.8
+idna==3.7
 inflection==0.3.1
 iso8601==0.1.12
 itsdangerous==1.1.0