diff --git a/requirements.txt b/requirements.txt
index 4e6d2f8..6639528 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 cffi==1.14.0
 Click==7.0
-cryptography==2.8
+cryptography==3.2
 Flask==1.1.1
 Flask-SQLAlchemy==2.4.1
 itsdangerous==1.1.0