diff --git a/dash/dash.py b/dash/dash.py
index 2d5e8f42f1..fae8b960b6 100644
--- a/dash/dash.py
+++ b/dash/dash.py
@@ -2080,10 +2080,10 @@ def enable_dev_tools(
             _reload = self._hot_reload
             _reload.hash = generate_hash()
 
-            # find_loader should return None on __main__ but doesn't
+            # find_spec should return None on __main__ but doesn't
             # on some Python versions https://bugs.python.org/issue14710
             packages = [
-                pkgutil.find_loader(x)
+                find_spec(x)
                 for x in list(ComponentRegistry.registry)
                 if x != "__main__"
             ]
@@ -2098,7 +2098,7 @@ def enable_dev_tools(
 
                 for index, package in enumerate(packages):
                     if isinstance(package, AssertionRewritingHook):
-                        dash_spec = importlib.util.find_spec("dash")  # type: ignore[reportAttributeAccess]
+                        dash_spec = find_spec("dash")  # type: ignore[reportAttributeAccess]
                         dash_test_path = dash_spec.submodule_search_locations[0]
                         setattr(dash_spec, "path", dash_test_path)
                         packages[index] = dash_spec