diff --git a/requirements.txt b/requirements.txt
index 45fbdae..3736455 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ attrs==19.3.0
 certifi==2020.6.20
 cffi==1.14.1
 click==7.1.2
-cryptography==3.0
+cryptography==39.0.2
 dnspython==2.0.0
 fastapi==0.60.1
 h11==0.9.0