diff --git a/requirements.txt b/requirements.txt
index 30875f39..b832a7a9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,6 +22,6 @@ pyqrandomx>=0.3.0,<1.0.0
 Flask>=2.0.0,<=2.2.2
 json-rpc==1.13.0
 idna==2.6
-cryptography==2.3
+cryptography==39.0.1
 mock>=2.0.0
 daemonize==2.4.7