diff --git a/pi-fallback/requirements.txt b/pi-fallback/requirements.txt
index b2fb896..542cbbf 100644
--- a/pi-fallback/requirements.txt
+++ b/pi-fallback/requirements.txt
@@ -10,7 +10,7 @@ paho-mqtt>=2.0.0
 pyyaml>=6.0
 
 # Cryptography for Tuya protocol
-cryptography>=41.0.0
+cryptography>=47.0.0
 
 # Async utilities
 asyncio-mqtt>=0.16.0