diff --git a/app/devices/models.py b/app/devices/models.py
index e390983..17c4539 100644
--- a/app/devices/models.py
+++ b/app/devices/models.py
@@ -144,7 +144,7 @@ class Device(db.Model):
         self.name = name
         self.configuration = configuration
         self.device_type_id = device_type
-        self.secret_algorithm = 'sha512'
+        self.secret_algorithm = 'sha256'
         self.device_secret = token_urlsafe(32)
 
     def save(self):
diff --git a/config.py b/config.py
index 051075b..6b322c6 100644
--- a/config.py
+++ b/config.py
@@ -2,7 +2,7 @@ import os
 
 # App configuration
 DEBUG = os.environ['DEBUG']
-APP_VERSION = '0.4.4'
+APP_VERSION = '0.4.5'
 APP_RELEASE_VERSION_STRING = (os.environ.get('HEROKU_RELEASE_VERSION')
                               or 'Unknown')