diff --git a/setup.py b/setup.py
index 0585cdb..ca4a32d 100644
--- a/setup.py
+++ b/setup.py
@@ -41,5 +41,5 @@
     ],
     keywords="LoRa decrypt",
     packages=["lora"],
-    install_requires=["cryptography==3.3.2"],
+    install_requires=["cryptography==43.0.1"],
 )