diff --git a/setup.py b/setup.py
index 1220209..779e0ad 100644
--- a/setup.py
+++ b/setup.py
@@ -28,7 +28,7 @@
     zip_safe=False,
     install_requires=[
         'pyasn1==0.4.8',
-        'cryptography==42.0.8',
+        'cryptography==44.0.1',
     ],
     keywords='npki 공인인증서 공동인증서 korean pki certificate',
     platforms='OS Independent',