diff --git a/requirements.txt b/requirements.txt
index 07e5bbb..682f456 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ black==21.9b0
 cbor2==5.4.2.post1
 cffi==1.15.0
 click==8.0.3
-cryptography==39.0.1
+cryptography==41.0.4
 mccabe==0.6.1
 mypy==0.910
 mypy-extensions==0.4.3