diff --git a/cbpi/__init__.py b/cbpi/__init__.py
index befcd63..e16d0c4 100644
--- a/cbpi/__init__.py
+++ b/cbpi/__init__.py
@@ -1,3 +1,3 @@
-__version__ = "4.1.7.a3"
+__version__ = "4.1.7.a4"
 __codename__ = "Groundhog Day"
 
diff --git a/requirements.txt b/requirements.txt
index 9bcb800..bce7636 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ aiohttp-session==2.12.0
 aiohttp-swagger==1.0.16 
 aiojobs==1.1.0 
 aiosqlite==0.17.0 
-cryptography==36.0.1 
+cryptography==40.0.0 
 requests==2.28.1 
 voluptuous==0.13.1 
 pyfiglet==0.8.post1 
diff --git a/setup.py b/setup.py
index 5e32bee..4b173cc 100644
--- a/setup.py
+++ b/setup.py
@@ -47,7 +47,7 @@ setup(name='cbpi4',
           "aiohttp-swagger==1.0.16",
           "aiojobs==1.1.0 ",
           "aiosqlite==0.17.0",
-          "cryptography==36.0.1",
+          "cryptography==40.0.0",
           "requests==2.28.1",
           "voluptuous==0.13.1",
           "pyfiglet==0.8.post1",