diff --git a/errata/sources/distros/debian.py b/errata/sources/distros/debian.py
index 1ae919e4..ece3754d 100644
--- a/errata/sources/distros/debian.py
+++ b/errata/sources/distros/debian.py
@@ -264,7 +264,7 @@ def get_accepted_debian_codenames():
     """ Get acceptable Debian OS codenames
         Can be overridden by specifying DEBIAN_CODENAMES in settings
     """
-    default_codenames = ['bookworm', 'bullseye']
+    default_codenames = ['bookworm', 'trixie']
     accepted_codenames = get_setting_of_type(
         setting_name='DEBIAN_CODENAMES',
         setting_type=list,
diff --git a/errata/sources/distros/ubuntu.py b/errata/sources/distros/ubuntu.py
index d1ce7cc5..6fafb40a 100644
--- a/errata/sources/distros/ubuntu.py
+++ b/errata/sources/distros/ubuntu.py
@@ -203,7 +203,7 @@ def get_accepted_ubuntu_codenames():
     """ Get acceptable Ubuntu OS codenames
         Can be overridden by specifying UBUNTU_CODENAMES in settings
     """
-    default_codenames = ['focal', 'jammy', 'noble']
+    default_codenames = ['jammy', 'noble']
     accepted_codenames = get_setting_of_type(
         setting_name='UBUNTU_CODENAMES',
         setting_type=list,
diff --git a/etc/patchman/local_settings.py b/etc/patchman/local_settings.py
index 181c4c4d..ab93c89d 100644
--- a/etc/patchman/local_settings.py
+++ b/etc/patchman/local_settings.py
@@ -41,6 +41,18 @@
 # Number of days to wait before raising that a host has not reported
 DAYS_WITHOUT_REPORT = 14
 
+# list of errata sources to update, remove unwanted ones to improve performance
+ERRATA_OS_UPDATES = ['yum', 'rocky', 'alma', 'arch', 'ubuntu', 'debian']
+
+# list of Alma Linux releases to update
+ALMA_RELEASES = [8, 9, 10]
+
+# list of Debian Linux releases to update
+DEBIAN_CODENAMES = ['bookworm', 'trixie']
+
+# list of Ubuntu Linux releases to update
+UBUNTU_CODENAMES = ['jammy', 'noble']
+
 # Whether to run patchman under the gunicorn web server
 RUN_GUNICORN = False