diff --git a/requirements.txt b/requirements.txt
index 8a9f59f..1079deb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ autopep8==1.5.3
 cffi==1.14.0
 click==7.1.2
 colorama==0.4.3
-cryptography==3.3.2
+cryptography==39.0.1
 ecdsa==0.15
 Flask==1.1.2
 Flask-Cors==3.0.9