diff --git a/CHANGELOG.md b/CHANGELOG.md
index cea2eaa9e..d90abbd31 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## 4.27
+- [#308] (https://github.com/cohere-ai/cohere-python/pull/308)
+  - Datasets: add validation_warnings
+
 ## 4.26.1
 
 - [#306] (https://github.com/cohere-ai/cohere-python/pull/306)
diff --git a/cohere/responses/dataset.py b/cohere/responses/dataset.py
index 27e7275ab..383c4a24f 100644
--- a/cohere/responses/dataset.py
+++ b/cohere/responses/dataset.py
@@ -20,6 +20,7 @@ class BaseDataset(CohereObject, JobWithStatus):
     dataset_type: str
     validation_status: str
     validation_error: Optional[str]
+    validation_warnings: List[str]
     created_at: datetime
     updated_at: datetime
     download_urls: List[str]
@@ -34,6 +35,7 @@ def __init__(
         validation_status: str,
         created_at: str,
         updated_at: str,
+        validation_warnings: List[str],
         validation_error: str = None,
         download_urls: List[str] = None,
         wait_fn=None,
@@ -47,6 +49,7 @@ def __init__(
         self.download_urls = download_urls
         self._wait_fn = wait_fn
         self.validation_error = validation_error
+        self.validation_warnings = validation_warnings
 
     @classmethod
     def from_dict(cls, data: Dict[str, Any], wait_fn) -> "Dataset":
@@ -64,6 +67,7 @@ def from_dict(cls, data: Dict[str, Any], wait_fn) -> "Dataset":
             download_urls=download_urls,
             wait_fn=wait_fn,
             validation_error=data.get("validation_error"),
+            validation_warnings=data.get("validation_warnings", []),
         )
 
     def has_terminal_status(self) -> bool:
diff --git a/pyproject.toml b/pyproject.toml
index cf3f915a0..b34eb672d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "cohere"
-version = "4.26.1"
+version = "4.27"
 description = ""
 authors = ["Cohere"]
 readme = "README.md"
diff --git a/tests/sync/test_chat.py b/tests/sync/test_chat.py
index d72c10aae..314f984b7 100644
--- a/tests/sync/test_chat.py
+++ b/tests/sync/test_chat.py
@@ -1,6 +1,6 @@
 import unittest
-import pytest
 
+import pytest
 from utils import get_api_key
 
 import cohere