diff --git a/requirements.txt b/requirements.txt
index b8e3611..3f81ec2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@ cffi==1.11.5
 chardet==3.0.4
 colorama==0.4.1
 contextlib2==0.5.5
-cryptography==2.4.2
+cryptography==3.2
 cycler==0.10.0
 cymem==2.0.2
 cytoolz==0.9.0.1