diff --git a/requirements.txt b/requirements.txt
index ebc3ac2..22469c8 100755
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,6 @@
 boto3==1.16.4
 botocore==1.19.4
+cryptography==3.4.6
 Flask==1.1.1
 gunicorn==20.0.4
 model-archiver==1.0.3