diff --git a/backend/requirements.txt b/backend/requirements.txt
index 671db15..13954d4 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -13,7 +13,7 @@ chardet==3.0.4
 Click==7.0
 colorama==0.4.1
 configparser==3.7.4
-cryptography==2.6.1
+cryptography==3.2
 docutils==0.14
 enum34==1.1.6
 Flask==1.0.2