diff --git a/z8ter-app/requirements.txt b/z8ter-app/requirements.txt
index 5195ad7..55300d8 100644
--- a/z8ter-app/requirements.txt
+++ b/z8ter-app/requirements.txt
@@ -5,7 +5,7 @@ asgi-lifespan==2.1.0
 black==25.1.0
 build==1.3.0
 certifi==2025.8.3
-cffi==1.17.1
+cffi==2.1.1
 charset-normalizer==3.4.3
 click==8.2.1
 coverage==7.10.6