diff --git a/requirements.txt b/requirements.txt
index 2f9033d..5fadb93 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ certifi==2020.6.20
 cffi==1.14.3
 chardet==3.0.4
 click==7.1.2
-cryptography==3.1
+cryptography==3.3.2
 Flask==1.1.2
 idna==2.10
 itsdangerous==1.1.0