diff --git a/backend/requirements_py3.txt b/backend/requirements_py3.txt
index 1334317f..37e5ca4c 100644
--- a/backend/requirements_py3.txt
+++ b/backend/requirements_py3.txt
@@ -7,7 +7,7 @@ certifi==2018.8.13
 cffi==1.11.5
 chardet==3.0.4
 click==6.6
-cryptography==2.3
+cryptography==3.2
 dpath==1.4.2
 flask>=0.12.3
 flask-apidoc==1.1.2