diff --git a/requirements.txt b/requirements.txt
index 22345a3..2ad13a5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ certifi==2017.11.5
 cffi==1.11.2
 chardet==3.0.4
 click==6.7
-cryptography==2.1.4
+cryptography==3.2
 Django==1.9.5
 enum34==1.1.6
 Flask==0.12.2