diff --git a/pyproject.toml b/pyproject.toml
index 29b5959..c4deaa1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,7 +17,7 @@ classifiers = [
   "Topic :: Scientific/Engineering :: Artificial Intelligence",
 ]
 dependencies = [
-  "cryptography>=40",
+  "cryptography>=50.0.2",
   "pydantic>=2",
   "click>=8",
   "fastapi>=0.100",