diff --git a/pyproject.toml b/pyproject.toml
index d94e3bd..4071826 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,7 +11,7 @@ homepage = "https://github.com/atsign-foundation/at_python"
 [tool.poetry.dependencies]
 python = "^3.8.1"
 cffi = "1.16.0"
-cryptography = "42.0.4"
+cryptography = "42.0.5"
 pycparser = "2.21"
 python-dateutil = "2.8.2"
 requests = "2.31.0"