diff --git a/requirements.txt b/requirements.txt
index 93a7122..386c291 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ certifi==2017.7.27.1
 cffi==1.11.2
 chardet==3.0.4
 colorama==0.3.9
-cryptography==2.0.3
+cryptography==3.2
 enum34==1.1.6
 functools32==3.2.3.post2
 future==0.16.0