diff --git a/backend/requirements.txt b/backend/requirements.txt
index 12f1750..3405b68 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -31,7 +31,7 @@ python-magic==0.4.27
 
 # LangFlow AI Chat dependencies
 sse-starlette==3.3.4
-cryptography>=46.0.6
+cryptography>=47.0.0
 pgqueuer==0.26.3
 
 # Worker dependencies