diff --git a/setup.py b/setup.py
index 8c2a5dc..2490398 100644
--- a/setup.py
+++ b/setup.py
@@ -7,7 +7,7 @@
     author='',
     author_email='',
     install_requires=[
-        'cryptography==42.0.4', # https://pypi.org/project/cryptography/
+        'cryptography==43.0.1', # https://pypi.org/project/cryptography/
         'keystonemiddleware==10.4.1', # https://pypi.org/project/keystonemiddleware/
         'Paste==3.7.1',
         'PasteDeploy==3.0.1',