diff --git a/pyproject.toml b/pyproject.toml
index f6ef48aa..712b00b4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,7 +11,7 @@ authors = [
 ]
 requires-python = ">=3.8,<3.13"
 dependencies = [
-  "cffi==1.16.0",
+  "cffi==1.17.1",
   "maturin==1.7.0",
   "numpy"
 ]