diff --git a/requirements.txt b/requirements.txt
index e209438..7ab27f5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ aiofiles==0.7.0
 aiosqlite==0.17.0
 asyncua==0.9.96
 cffi==1.14.5
-cryptography==41.0.6
+cryptography==42.0.0
 pycparser==2.20
 python-dateutil==2.8.1
 pytz==2021.1