diff --git a/src/knox/requirements.txt b/src/knox/requirements.txt
index b2e66ae..fcda81b 100644
--- a/src/knox/requirements.txt
+++ b/src/knox/requirements.txt
@@ -4,7 +4,7 @@ certbot==1.14.0
 certbot-dns-route53==1.14.0
 click==7.1.2
 configobj==5.0.6
-cryptography==3.4.7
+cryptography==41.0.3
 dynaconf==3.1.4
 hvac==0.10.9
 jinja2==2.11.3