diff --git a/requirements.txt b/requirements.txt
index a68c1c80c..deb9e8f35 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ psutil==5.9.1
 chardet==3.0.4
 flask-sqlalchemy==2.3.2
 pyOpenSSL==22.0.0
-cryptography==39.0.1
+cryptography==36.0.1
 configparser==5.2.0
 python-engineio==4.3.2
 python-socketio>=4.2.0