diff --git a/dagster_sqlmesh/controller/dagster.py b/dagster_sqlmesh/controller/dagster.py
index c0e0343..9495e1f 100644
--- a/dagster_sqlmesh/controller/dagster.py
+++ b/dagster_sqlmesh/controller/dagster.py
@@ -7,7 +7,7 @@
 )
 from dagster_sqlmesh.translator import SQLMeshDagsterTranslator
 from dagster_sqlmesh.types import (
-    ConvertibleToAssetDep,
+    CoercibleToAssetDep,
     ConvertibleToAssetOut,
     SQLMeshModelDep,
     SQLMeshMultiAssetOptions,
@@ -28,7 +28,7 @@ def to_asset_outs(
         cache is provided, it will be tried first to load the asset outs."""
 
         internal_asset_deps_map: dict[str, set[str]] = {}
-        deps_map: dict[str, ConvertibleToAssetDep] = {}
+        deps_map: dict[str, CoercibleToAssetDep] = {}
         asset_outs: dict[str, ConvertibleToAssetOut] = {}
 
         with self.instance(environment, "to_asset_outs") as instance:
@@ -59,7 +59,7 @@ def to_asset_outs(
                         internal_asset_deps.add(key)
 
                         # create an external dep
-                        deps_map[table] = translator.create_asset_dep(key=key)
+                        deps_map[table] = key
 
                 model_key = translator.get_asset_key_str(model.fqn)
                 asset_outs[model_key] = translator.create_asset_out(
diff --git a/dagster_sqlmesh/translator.py b/dagster_sqlmesh/translator.py
index 7b3d879..f97fa0a 100644
--- a/dagster_sqlmesh/translator.py
+++ b/dagster_sqlmesh/translator.py
@@ -2,13 +2,13 @@
 from collections.abc import Sequence
 from inspect import signature
 
-from dagster import AssetDep, AssetKey, AssetOut
+from dagster import AssetKey, AssetOut
 from pydantic import BaseModel, Field
 from sqlglot import exp
 from sqlmesh.core.context import Context
 from sqlmesh.core.model import Model
 
-from .types import ConvertibleToAssetDep, ConvertibleToAssetOut
+from .types import ConvertibleToAssetOut
 
 
 class IntermediateAssetOut(BaseModel):
@@ -36,14 +36,6 @@ def to_asset_out(self) -> AssetOut:
         )
 
 
-class IntermediateAssetDep(BaseModel):
-    key: str
-    kwargs: dict[str, t.Any] = Field(default_factory=dict)
-
-    def to_asset_dep(self) -> AssetDep:
-        return AssetDep(AssetKey.from_user_string(self.key))
-
-
 class SQLMeshDagsterTranslator:
     """Translates SQLMesh objects for Dagster.
     
@@ -106,21 +98,6 @@ def get_context_dialect(self, context: Context) -> str:
         """
         return context.engine_adapter.dialect
 
-    def create_asset_dep(self, *, key: str, **kwargs: t.Any) -> ConvertibleToAssetDep:
-        """Create an object that resolves to an AssetDep.
-
-        This creates an intermediate representation that can be converted to a
-        Dagster AssetDep. Most users will not need to use this method directly.
-        
-        Args:
-            key: The asset key string for the dependency
-            **kwargs: Additional arguments to pass to the AssetDep
-            
-        Returns:
-            ConvertibleToAssetDep: An object that can be converted to an AssetDep
-        """
-        return IntermediateAssetDep(key=key, kwargs=kwargs)
-
     def create_asset_out(
         self, *, model_key: str, asset_key: str, **kwargs: t.Any
     ) -> ConvertibleToAssetOut:
diff --git a/dagster_sqlmesh/types.py b/dagster_sqlmesh/types.py
index 50187b5..575e927 100644
--- a/dagster_sqlmesh/types.py
+++ b/dagster_sqlmesh/types.py
@@ -1,9 +1,28 @@
 import typing as t
+from collections.abc import Sequence
 from dataclasses import dataclass, field
 
-from dagster import AssetCheckResult, AssetDep, AssetKey, AssetMaterialization, AssetOut
+from dagster import (
+    AssetCheckResult,
+    AssetDep,
+    AssetKey,
+    AssetMaterialization,
+    AssetOut,
+    AssetsDefinition,
+    AssetSpec,
+    SourceAsset,
+)
 from sqlmesh.core.model import Model
 
+# Type alias that mirrors Dagster's internal CoercibleToAssetDep
+# This uses only public API types and will remain stable across Dagster versions
+# Equivalent to:
+# CoercibleToAssetDep = Union[CoercibleToAssetKey, "AssetSpec", "AssetsDefinition", "SourceAsset", "AssetDep"]
+# CoercibleToAssetKey = Union[AssetKey, str, Sequence[str]]
+
+CoercibleToAssetDep = AssetKey | str | Sequence[str] | AssetSpec | AssetsDefinition | SourceAsset | AssetDep
+
+
 MultiAssetResponse = t.Iterable[AssetCheckResult | AssetMaterialization]
 
 
@@ -29,20 +48,16 @@ class SQLMeshModelDep:
 
     def parse_fqn(self) -> SQLMeshParsedFQN:
         return SQLMeshParsedFQN.parse(self.fqn)
-    
+
+
 class ConvertibleToAssetOut(t.Protocol):
     def to_asset_out(self) -> AssetOut:
         """Convert to an AssetOut object."""
         ...
 
-class ConvertibleToAssetDep(t.Protocol):
-    def to_asset_dep(self) -> AssetDep:
-        """Convert to an AssetDep object."""
-        ...
 
 class ConvertibleToAssetKey(t.Protocol):
-    def to_asset_key(self) -> AssetKey:
-        ...
+    def to_asset_key(self) -> AssetKey: ...
 
 @dataclass(kw_only=True)
 class SQLMeshMultiAssetOptions:
@@ -53,7 +68,7 @@ class SQLMeshMultiAssetOptions:
     manipulate the dagster asset creation process as they see fit."""
 
     outs: t.Mapping[str, ConvertibleToAssetOut] = field(default_factory=lambda: {})
-    deps: t.Iterable[ConvertibleToAssetDep] = field(default_factory=lambda: [])
+    deps: t.Iterable[CoercibleToAssetDep] = field(default_factory=lambda: [])
     internal_asset_deps: t.Mapping[str, set[str]] = field(default_factory=lambda: {})
 
     def to_asset_outs(self) -> t.Mapping[str, AssetOut]:
@@ -62,11 +77,17 @@ def to_asset_outs(self) -> t.Mapping[str, AssetOut]:
 
     def to_asset_deps(self) -> t.Iterable[AssetDep]:
         """Convert to an iterable of AssetDep objects."""
-        return [dep.to_asset_dep() for dep in self.deps]
+        all_deps: list[AssetDep] = []
+        for dep in self.deps:
+            if isinstance(dep, AssetsDefinition) and len(dep.keys) > 1:
+                all_deps.extend([AssetDep.from_coercible(key) for key in dep.keys])
+            else:
+                all_deps.append(AssetDep.from_coercible(dep))
+        return all_deps
     
     def to_internal_asset_deps(self) -> dict[str, set[AssetKey]]:
         """Convert to a dictionary of internal asset dependencies."""
         return {
             key: {AssetKey.from_user_string(dep) for dep in deps}
             for key, deps in self.internal_asset_deps.items()
-        }
\ No newline at end of file
+        }