diff --git a/django-stubs/db/models/functions/__init__.pyi b/django-stubs/db/models/functions/__init__.pyi
index 186fb979c..8dd3e0407 100644
--- a/django-stubs/db/models/functions/__init__.pyi
+++ b/django-stubs/db/models/functions/__init__.pyi
@@ -1,6 +1,8 @@
 from .comparison import Cast as Cast
 from .comparison import Coalesce as Coalesce
+from .comparison import Collate as Collate
 from .comparison import Greatest as Greatest
+from .comparison import JSONObject as JSONObject
 from .comparison import Least as Least
 from .comparison import NullIf as NullIf
 from .datetime import Extract as Extract
diff --git a/django-stubs/db/models/functions/comparison.pyi b/django-stubs/db/models/functions/comparison.pyi
index 1e8dacf34..58247e38f 100644
--- a/django-stubs/db/models/functions/comparison.pyi
+++ b/django-stubs/db/models/functions/comparison.pyi
@@ -9,6 +9,12 @@ class Cast(Func):
     ) -> None: ...
 
 class Coalesce(Func): ...
+class Collate(Func):
+    def __init__(self, expression: Any, collation: str) -> None: ...
+
 class Greatest(Func): ...
+class JSONObject(Func):
+    def __init__(self, **fields: Any) -> None: ...
+
 class Least(Func): ...
 class NullIf(Func): ...