diff --git a/requirements.txt b/requirements.txt
index e6c876c..5fa6158 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ bcrypt==3.2.0
 blinker==1.4
 cffi==1.14.2
 click==7.1.2
-cryptography==3.1
+cryptography==3.3.2
 Deprecated==1.2.10
 dnspython==1.16.0
 email-validator==1.1.1