diff --git a/requirements.txt b/requirements.txt
index b77d02d..eacc7d2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ backports.shutil-get-terminal-size==1.0.0
 cffi==1.7.0
 click==5.1
 clint==0.5.1
-cryptography==1.4
+cryptography==3.2
 decorator==4.0.10
 enum34==1.1.6
 idna==2.1