diff --git a/django_components/types.py b/django_components/types.py
index bd9eac7d..ed753884 100644
--- a/django_components/types.py
+++ b/django_components/types.py
@@ -1,9 +1,21 @@
 try:
     from typing import Annotated
 except ImportError:
-    from typing_extensions import Annotated
 
-html = Annotated[str, "html"]
+    class Annotated:
+        def __init__(self, type_, *args, **kwargs):
+            self.type_ = type_
+            self.metadata = args, kwargs
+
+        def __repr__(self):
+            return f"Annotated[{self.type_}, {self.metadata[0]!r}, {self.metadata[1]!r}]"
+
+        def __getitem__(self, params):
+            if not isinstance(params, tuple):
+                params = (params,)
+            return Annotated(self.type_, *params, **self.metadata[1])
+
+
 css = Annotated[str, "css"]
 django_html = Annotated[str, "django_html"]
 js = Annotated[str, "js"]