diff --git a/requirements.txt b/requirements.txt
index 1b1e098..495a4db 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 bcrypt==3.1.7
 certifi==2019.11.28
 cffi==1.13.2
-cryptography==3.2
+cryptography==3.3.2
 nclib==0.8.3
 paramiko==2.6.0
 pycparser==2.19