diff --git a/object_collection_manager/__init__.py b/object_collection_manager/__init__.py
index 6a1a9f22db2420124ed52c60e48a21d7727b050c..91901c6f7fc95df7b48d9b4930993c28dd72a58c 100644
--- a/object_collection_manager/__init__.py
+++ b/object_collection_manager/__init__.py
@@ -22,7 +22,7 @@ bl_info = {
     "name": "Collection Manager",
     "description": "Manage collections and their objects",
     "author": "Ryan Inch",
-    "version": (2, 8, 0),
+    "version": (2, 9, 0),
     "blender": (2, 80, 0),
     "location": "View3D - Object Mode (Shortcut - M)",
     "warning": '',  # used for warning icon and text in addons panel
diff --git a/object_collection_manager/internals.py b/object_collection_manager/internals.py
index f3bcf37f883e8006d6b673ad64d207a97036c4d7..8e0c5b90bdb6ecb1722d0c4b226c750566adaf3c 100644
--- a/object_collection_manager/internals.py
+++ b/object_collection_manager/internals.py
@@ -210,7 +210,7 @@ class QCDSlots():
                 if self.length() > 20:
                     break
 
-    def renumerate(self, *, beginning=False):
+    def renumerate(self, *, depth_first=False, beginning=False):
         if beginning:
             self.clear_slots()
             self.overrides.clear()
@@ -242,7 +242,11 @@ class QCDSlots():
                         self.add_slot(f"{x+1}", layer_collection.name)
 
 
-            laycol_iter_list.extend(list(layer_collection.children))
+            if depth_first:
+                laycol_iter_list[0:0] = list(layer_collection.children)
+
+            else:
+                laycol_iter_list.extend(list(layer_collection.children))
 
             if self.length() > 20:
                 break
diff --git a/object_collection_manager/qcd_operators.py b/object_collection_manager/qcd_operators.py
index 53212920f50af7f1b68170646927bde1a4882c38..7330dd0fd943eb76221ad8f5e6e26a444539453d 100644
--- a/object_collection_manager/qcd_operators.py
+++ b/object_collection_manager/qcd_operators.py
@@ -287,7 +287,8 @@ class RenumerateQCDSlots(Operator):
     bl_label = "Renumber QCD Slots"
     bl_description = (
         "Renumber QCD slots.\n"
-        "  * LMB - Renumber starting from the slot designated 1.\n"
+        "  * LMB - Renumber (breadth first) starting from the slot designated 1.\n"
+        "  * Ctrl+LMB - Renumber (depth first) starting from the slot designated 1.\n"
         "  * Alt+LMB - Renumber from the beginning"
         )
     bl_idname = "view3d.renumerate_qcd_slots"
@@ -301,6 +302,9 @@ class RenumerateQCDSlots(Operator):
         if modifiers == {'alt'}:
             qcd_slots.renumerate(beginning=True)
 
+        elif modifiers == {'ctrl'}:
+            qcd_slots.renumerate(depth_first=True)
+
         else:
             qcd_slots.renumerate()