diff --git a/requirements.txt b/requirements.txt
index 9f86949..280cf42 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ PyGObject==3.48.2; sys_platform == "linux"
 pycairo>=1.26.0; sys_platform == "linux"
 
 # Cryptography primitives
-cryptography>=44.0.1
+cryptography>=49.0.0
 
 # Post-quantum KEM wrapper
 liboqs-python==0.15.0