diff --git a/setup.py b/setup.py
index e38c374..1d92fa5 100644
--- a/setup.py
+++ b/setup.py
@@ -30,6 +30,6 @@ def get_version(rel_path):
     include_package_data=True,
     zip_safe=True,
     license="MIT",
-    install_requires=["wxPython==4.2.0", "cryptography==42.0.2", "cffi==1.14.4"],
+    install_requires=["wxPython==4.2.0", "cryptography==42.0.2", "cffi==1.16.0"],
     extras_require={"dev": ["pre-commit"]},
 )