diff --git a/requirements.txt b/requirements.txt
index fdf6708..91533d1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 cffi==1.14.0
-cryptography==2.8
+cryptography==3.2
 pycparser==2.19
 pyftpdlib==1.5.6
 pyOpenSSL==19.1.0