diff --git a/requirements.txt b/requirements.txt
index b819902..2d8199f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ certifi==2017.4.17
 cffi==1.11.0
 chardet==3.0.4
 configparser==3.5.0
-cryptography==2.0.3
+cryptography==3.2
 decorator==4.0.11
 entrypoints==0.2.3
 enum34==1.1.6