diff --git a/requirements.txt b/requirements.txt
index f2293ab..d62e130 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ certifi==2018.4.16
 cffi==1.11.5
 chardet==3.0.4
 colorama==0.3.9
-cryptography==2.2.2
+cryptography==3.2
 idna==2.6
 paramiko==2.4.1
 pyasn1==0.4.2