diff --git a/requirements.txt b/requirements.txt
index b3f7a6c..ec283c7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ async-timeout==2.0.0
 lxml==4.1.1
 gunicorn==19.6.0
 motor==1.1
-cryptography==2.3.1
+cryptography==3.2
 xlrd==1.0.0
 pymongo==3.4.0