diff --git a/pi-fallback/requirements.txt b/pi-fallback/requirements.txt
index d636d55..d131bc9 100644
--- a/pi-fallback/requirements.txt
+++ b/pi-fallback/requirements.txt
@@ -10,7 +10,7 @@ paho-mqtt>=2.1.0
 pyyaml>=6.0.3
 
 # Cryptography for Tuya protocol
-cryptography>=47.0.0
+cryptography>=50.0.1
 
 # Async utilities
 asyncio-mqtt>=0.16.2