diff --git a/pyproject.toml b/pyproject.toml
index 1899fbc..6d890c6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,7 +17,7 @@ dependencies = [
   "anyio==4.2.0",
   "black==24.2.0",
   "certifi==2024.7.4",
-  "cffi==1.16.0",
+  "cffi==1.17.0",
   "click==8.1.7",
   "editables==0.5",
   "exceptiongroup==1.2.0",