diff --git a/xarray/core/utils.py b/xarray/core/utils.py
index 61372513b2a..00c84d4c10c 100644
--- a/xarray/core/utils.py
+++ b/xarray/core/utils.py
@@ -491,7 +491,7 @@ class FrozenMappingWarningOnValuesAccess(Frozen[K, V]):
     __slots__ = ("mapping",)
 
     def _warn(self) -> None:
-        warnings.warn(
+        emit_user_level_warning(
             "The return type of `Dataset.dims` will be changed to return a set of dimension names in future, "
             "in order to be more consistent with `DataArray.dims`. To access a mapping from dimension names to lengths, "
             "please use `Dataset.sizes`.",