diff --git a/tests/requirements.txt b/tests/requirements.txt
index 7acb197d..96f93079 100644
--- a/tests/requirements.txt
+++ b/tests/requirements.txt
@@ -1,4 +1,4 @@
-cryptography==42.0.7
+cryptography==43.0.1
 --only-binary cryptography
 pytest-cov==5.0.0
 pytest-embedded-serial-esp==1.10.2