diff --git a/requirements.txt b/requirements.txt
index 07bbaa4..3a917c1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ black==21.9b0
 cbor2==5.5.0
 cffi==1.15.0
 click==8.0.3
-cryptography==41.0.7
+cryptography==42.0.0
 mccabe==0.6.1
 mypy==1.4.1
 mypy-extensions==1.0.0