diff --git a/requirements.txt b/requirements.txt
index bce2d67..b9e6c16 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ asn1crypto==0.24.0
 bcrypt==3.1.5
 cffi==1.11.5
 chardet==3.0.4
-cryptography==2.4.2
+cryptography==3.2
 idna==2.8
 paramiko==2.4.2
 Pillow==5.4.1