diff --git a/iap/requirements.txt b/iap/requirements.txt
index 9d787715cfd..b478278343c 100644
--- a/iap/requirements.txt
+++ b/iap/requirements.txt
@@ -1,4 +1,4 @@
-cryptography==3.1.1
+cryptography==3.3.2
 flask==1.1.2
 google-auth==1.22.1
 gunicorn==20.0.4