diff --git a/requirements.txt b/requirements.txt
index dc6e307..8fb7096 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,7 +22,7 @@ configobj==5.0.6
 configparser==3.5.3
 constantly==15.1.0
 croniter==0.3.30
-cryptography==2.3
+cryptography==39.0.1
 defusedxml==0.6.0
 dill==0.2.9
 distro-info===0.18ubuntu0.18.04.1