diff --git a/requirements.txt b/requirements.txt
index 9153f57..4992789 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ certifi==2017.7.27.1
 cffi==1.11.2
 chardet==3.0.4
 click==6.7
-cryptography==2.1.3
+cryptography==3.2
 enum34==1.1.6
 Flask==0.12.2
 Flask-Cors==3.0.3