diff --git a/netbox_slm/filtersets.py b/netbox_slm/filtersets.py
index ae5a024..93bace7 100644
--- a/netbox_slm/filtersets.py
+++ b/netbox_slm/filtersets.py
@@ -23,7 +23,9 @@ class SoftwareProductVersionFilterSet(NetBoxModelFilterSet):
     """Filter capabilities for SoftwareProductVersion instances."""
     class Meta:
         model = SoftwareProductVersion
-        fields = tuple()
+        fields = (
+            "software_product",
+        )
 
     def search(self, queryset, name, value):
         """Perform the filtered search."""
diff --git a/netbox_slm/forms.py b/netbox_slm/forms.py
index 9870ed9..e7cea70 100644
--- a/netbox_slm/forms.py
+++ b/netbox_slm/forms.py
@@ -21,7 +21,7 @@ class SoftwareProductForm(NetBoxModelForm):
 
     manufacturer = DynamicModelChoiceField(
         queryset=Manufacturer.objects.all(),
-        required=False,
+        required=True,
     )
 
     class Meta: