diff --git a/pyproject.toml b/pyproject.toml
index 8e493d1..d2b7a03 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,6 +10,7 @@ dependencies = [
     "httpx>=0.28",
     "python-dotenv>=1.0",
     "python-multipart>=0.0.18",
+    "cryptography>=42",
 ]
 
 [tool.setuptools.packages.find]