diff --git a/README.md b/README.md
index 213fad1..c4090c3 100644
--- a/README.md
+++ b/README.md
@@ -20,6 +20,7 @@ at [https://netboxlabs.com/blog/introducing-diode-streamlining-data-ingestion-in
 |    >= 4.2.3    |     1.1.0      |
 |    >= 4.2.3    |     1.2.0      |
 |    >= 4.4.0    |     1.4.0      |
+|    >= 4.4.0    |     1.4.1      |
 
 ## Installation
 
diff --git a/docker/Dockerfile-diode-netbox-plugin b/docker/Dockerfile-diode-netbox-plugin
index c488e63..368e935 100644
--- a/docker/Dockerfile-diode-netbox-plugin
+++ b/docker/Dockerfile-diode-netbox-plugin
@@ -1,4 +1,4 @@
-FROM netboxcommunity/netbox:v4.3.3-3.3.0
+FROM netboxcommunity/netbox:v4.4.2-3.4.1
 
 COPY ./netbox/configuration/ /etc/netbox/config/
 RUN chmod 755 /etc/netbox/config/* && \
diff --git a/docker/docker-compose.yaml b/docker/docker-compose.yaml
index 7cea9c6..af8e518 100644
--- a/docker/docker-compose.yaml
+++ b/docker/docker-compose.yaml
@@ -1,7 +1,7 @@
 name: diode-netbox-plugin
 services:
   netbox: &netbox
-    image: netboxcommunity/netbox:v4.3.3-3.3.0-diode-netbox-plugin
+    image: netboxcommunity/netbox:v4.4.2-3.4.1-diode-netbox-plugin
     build:
       context: .
       dockerfile: Dockerfile-diode-netbox-plugin
diff --git a/docker/requirements-diode-netbox-plugin.txt b/docker/requirements-diode-netbox-plugin.txt
index 3340d33..47ca451 100644
--- a/docker/requirements-diode-netbox-plugin.txt
+++ b/docker/requirements-diode-netbox-plugin.txt
@@ -4,4 +4,4 @@ coverage==7.6.0
 grpcio==1.62.1
 protobuf==5.29.5
 pytest==8.0.2
-netboxlabs-netbox-branching==0.6.0
\ No newline at end of file
+netboxlabs-netbox-branching==0.7.1
\ No newline at end of file
diff --git a/netbox_diode_plugin/api/matcher.py b/netbox_diode_plugin/api/matcher.py
index 2e9cc97..bb0d0f9 100644
--- a/netbox_diode_plugin/api/matcher.py
+++ b/netbox_diode_plugin/api/matcher.py
@@ -449,7 +449,11 @@ def _prepare_data(self, data: dict) -> dict:
                 field = self.model_class._meta.get_field(field_name)
                 # special handling for object type -> content type id
                 if field.is_relation and hasattr(field, "related_model") and field.related_model == ContentType:
-                    prepared[field_name] = content_type_id(value)
+                    # Handle ManyToMany fields (list of object types) and ForeignKey fields (single object type)
+                    if isinstance(value, list):
+                        prepared[field_name] = [content_type_id(v) for v in value]
+                    else:
+                        prepared[field_name] = content_type_id(value)
                 else:
                     prepared[field_name] = value
 
diff --git a/netbox_diode_plugin/migrations/0006_clientcredentials_alter_setting_diode_target.py b/netbox_diode_plugin/migrations/0006_clientcredentials_alter_setting_diode_target.py
new file mode 100644
index 0000000..80f90ed
--- /dev/null
+++ b/netbox_diode_plugin/migrations/0006_clientcredentials_alter_setting_diode_target.py
@@ -0,0 +1,48 @@
+#!/usr/bin/env python
+# Copyright 2025 NetBox Labs, Inc.
+"""Diode NetBox Plugin - Database migrations."""
+
+from django.db import migrations, models
+
+import netbox_diode_plugin.models
+
+
+class Migration(migrations.Migration):
+    """Create ClientCredentials model and alter Setting.diode_target field."""
+
+    dependencies = [
+        ("netbox_diode_plugin", "0001_squashed_0005"),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name="ClientCredentials",
+            fields=[
+                (
+                    "id",
+                    models.BigAutoField(
+                        auto_created=True, primary_key=True, serialize=False
+                    ),
+                ),
+            ],
+            options={
+                "permissions": (
+                    ("view_clientcredentials", "Can view Client Credentials"),
+                    (
+                        "add_clientcredentials",
+                        "Can perform actions on Client Credentials",
+                    ),
+                ),
+                "managed": False,
+                "default_permissions": (),
+            },
+        ),
+        migrations.AlterField(
+            model_name="setting",
+            name="diode_target",
+            field=models.CharField(
+                max_length=255,
+                validators=[netbox_diode_plugin.models.diode_target_validator],
+            ),
+        ),
+    ]
diff --git a/netbox_diode_plugin/models.py b/netbox_diode_plugin/models.py
index bfe8fc9..9a473f8 100644
--- a/netbox_diode_plugin/models.py
+++ b/netbox_diode_plugin/models.py
@@ -41,9 +41,19 @@ def get_absolute_url(self):
         return reverse("plugins:netbox_diode_plugin:settings")
 
 
+class UnmanagedModelManager(models.Manager):
+    """Manager for unmanaged models that prevents database queries."""
+
+    def get_queryset(self):
+        """Return an empty queryset without hitting the database."""
+        return super().get_queryset().none()
+
+
 class ClientCredentials(models.Model):
     """Dummy model to allow for permissions, saved filters, etc.."""
 
+    objects = UnmanagedModelManager()
+
     class Meta:
         """Meta class."""