diff --git a/requirements.txt b/requirements.txt
index b6f58c5..224f191 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 asn1crypto==0.24.0
 bcrypt==3.1.7
 cffi==1.12.3
-cryptography==2.7
+cryptography==3.2
 paramiko==2.6.0
 pycparser==2.19
 PyNaCl==1.3.0