diff --git a/requirements.txt b/requirements.txt
index b740806..ec33cbe 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ bcrypt==3.1.7
 blinker==1.4
 cffi==1.14.0
 Click==7.0
-cryptography==3.3.2
+cryptography==39.0.1
 Flask==1.1.1
 Flask-Bcrypt==0.7.1
 Flask-Login==0.5.0