diff --git a/requirements.txt b/requirements.txt
index 78e34e5..c5cd7b8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ cffi==1.11.5
 chardet==3.0.4
 click==6.7
 constantly==15.1.0
-cryptography==2.2.2
+cryptography==3.2
 enum34==1.1.6
 Flask==1.0.2
 Flask-Cors==3.0.4