diff --git a/iap/requirements.txt b/iap/requirements.txt
index 756611f4a61..27515b735c6 100644
--- a/iap/requirements.txt
+++ b/iap/requirements.txt
@@ -1,5 +1,5 @@
 PyJWT==1.5.3
-cryptography==2.0.3
+cryptography==3.3.2
 flask==0.12.2
 google-auth==1.1.0
 gunicorn==19.7.1