diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 89464d20..d1b25422 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.4.0-alpha.11"
+  ".": "0.4.0-alpha.12"
 }
diff --git a/.stats.yml b/.stats.yml
index c9e7f120..4be566fc 100644
--- a/.stats.yml
+++ b/.stats.yml
@@ -1,4 +1,4 @@
 configured_endpoints: 103
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/llamastack%2Fllama-stack-client-185ec058880381a5526ac91a488af1833f55656e36cd10b3795eb8fd4d75026f.yml
-openapi_spec_hash: fa935c08e25d23cff624e5e150f8e6ca
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/llamastack%2Fllama-stack-client-73fc7f59a69be032d1b18e2fff3ed7509e175703332723b27aac50e2514ca854.yml
+openapi_spec_hash: a22051c017a4822ef689585896659675
 config_hash: 39578cfdeb4a10121f2cb3fa3e4d5e20
diff --git a/CHANGELOG.md b/CHANGELOG.md
index d718553c..f6f6ed4e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 0.4.0-alpha.12 (2025-11-19)
+
+Full Changelog: [v0.4.0-alpha.11...v0.4.0-alpha.12](https://github.com/llamastack/llama-stack-client-python/compare/v0.4.0-alpha.11...v0.4.0-alpha.12)
+
+### Bug Fixes
+
+* Pydantic validation error with list-type metadata in vector search ([#3797](https://github.com/llamastack/llama-stack-client-python/issues/3797)) ([6729d3f](https://github.com/llamastack/llama-stack-client-python/commit/6729d3f41aac315ca24ef844ca1f9fa5ce8eb5de))
+
 ## 0.4.0-alpha.11 (2025-11-18)
 
 Full Changelog: [v0.4.0-alpha.10...v0.4.0-alpha.11](https://github.com/llamastack/llama-stack-client-python/compare/v0.4.0-alpha.10...v0.4.0-alpha.11)
diff --git a/pyproject.toml b/pyproject.toml
index 334311cb..f6d543da 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "llama_stack_client"
-version = "0.4.0-alpha.11"
+version = "0.4.0-alpha.12"
 description = "The official Python library for the llama-stack-client API"
 dynamic = ["readme"]
 license = "MIT"
diff --git a/src/llama_stack_client/types/vector_stores/vector_store_file.py b/src/llama_stack_client/types/vector_stores/vector_store_file.py
index 4248e618..bbf5f398 100644
--- a/src/llama_stack_client/types/vector_stores/vector_store_file.py
+++ b/src/llama_stack_client/types/vector_stores/vector_store_file.py
@@ -63,7 +63,14 @@ class VectorStoreFile(BaseModel):
 
     vector_store_id: str
 
-    attributes: Optional[Dict[str, object]] = None
+    attributes: Optional[Dict[str, Union[str, float, bool]]] = None
+    """Set of 16 key-value pairs that can be attached to an object.
+
+    This can be useful for storing additional information about the object in a
+    structured format, and querying for objects via API or the dashboard. Keys are
+    strings with a maximum length of 64 characters. Values are strings with a
+    maximum length of 512 characters, booleans, or numbers.
+    """
 
     last_error: Optional[LastError] = None
     """Error information for failed vector store file processing."""