diff --git a/docling/datamodel/base_models.py b/docling/datamodel/base_models.py
index 311d6d01..d19d08f7 100644
--- a/docling/datamodel/base_models.py
+++ b/docling/datamodel/base_models.py
@@ -1,5 +1,4 @@
 from enum import Enum, auto
-from io import BytesIO
 from typing import TYPE_CHECKING, Dict, List, Optional, Union
 
 from docling_core.types.doc import (
@@ -9,6 +8,7 @@ from docling_core.types.doc import (
     Size,
     TableCell,
 )
+from docling_core.types.io import DocumentStream
 from PIL.Image import Image
 from pydantic import BaseModel, ConfigDict
 
@@ -207,10 +207,3 @@ class Page(BaseModel):
     @property
     def image(self) -> Optional[Image]:
         return self.get_image(scale=self._default_image_scale)
-
-
-class DocumentStream(BaseModel):
-    model_config = ConfigDict(arbitrary_types_allowed=True)
-
-    name: str
-    stream: BytesIO
diff --git a/poetry.lock b/poetry.lock
index 9e057ed0..a0f39b5d 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -896,13 +896,13 @@ files = [
 
 [[package]]
 name = "docling-core"
-version = "2.5.1"
+version = "2.6.0"
 description = "A python library to define and validate data types in Docling."
 optional = false
 python-versions = "<4.0,>=3.9"
 files = [
-    {file = "docling_core-2.5.1-py3-none-any.whl", hash = "sha256:e4a5626520714c25a5ec2f9f7495407e730485257c2272e8467faae7357435bf"},
-    {file = "docling_core-2.5.1.tar.gz", hash = "sha256:e9a7c7c46f869b13747436a2ce42df3632af655e1a3af574dfcd114e71dcbb75"},
+    {file = "docling_core-2.6.0-py3-none-any.whl", hash = "sha256:feda35ad24fb01d983eda3ea817ff10062d849832532bdbadd0326152902e2ad"},
+    {file = "docling_core-2.6.0.tar.gz", hash = "sha256:1aa7b13e22cecf43a3127d6874bbf5a8a4c72e4da66c2aa2a69c651cfa574d5a"},
 ]
 
 [package.dependencies]
@@ -913,6 +913,7 @@ pillow = ">=10.3.0,<11.0.0"
 pydantic = ">=2.6.0,<2.10"
 pyyaml = ">=5.1,<7.0.0"
 tabulate = ">=0.9.0,<0.10.0"
+typing-extensions = ">=4.12.2,<5.0.0"
 
 [[package]]
 name = "docling-ibm-models"
@@ -3200,6 +3201,7 @@ files = [
     {file = "nh3-0.2.19-cp38-abi3-musllinux_1_2_x86_64.whl", hash = "sha256:00810cd5275f5c3f44b9eb0e521d1a841ee2f8023622de39ffc7d88bd533d8e0"},
     {file = "nh3-0.2.19-cp38-abi3-win32.whl", hash = "sha256:7e98621856b0a911c21faa5eef8f8ea3e691526c2433f9afc2be713cb6fbdb48"},
     {file = "nh3-0.2.19-cp38-abi3-win_amd64.whl", hash = "sha256:75c7cafb840f24430b009f7368945cb5ca88b2b54bb384ebfba495f16bc9c121"},
+    {file = "nh3-0.2.19.tar.gz", hash = "sha256:790056b54c068ff8dceb443eaefb696b84beff58cca6c07afd754d17692a4804"},
 ]
 
 [[package]]
@@ -6028,6 +6030,11 @@ files = [
     {file = "scikit_learn-1.5.2-cp312-cp312-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:f60021ec1574e56632be2a36b946f8143bf4e5e6af4a06d85281adc22938e0dd"},
     {file = "scikit_learn-1.5.2-cp312-cp312-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:394397841449853c2290a32050382edaec3da89e35b3e03d6cc966aebc6a8ae6"},
     {file = "scikit_learn-1.5.2-cp312-cp312-win_amd64.whl", hash = "sha256:57cc1786cfd6bd118220a92ede80270132aa353647684efa385a74244a41e3b1"},
+    {file = "scikit_learn-1.5.2-cp313-cp313-macosx_10_13_x86_64.whl", hash = "sha256:e9a702e2de732bbb20d3bad29ebd77fc05a6b427dc49964300340e4c9328b3f5"},
+    {file = "scikit_learn-1.5.2-cp313-cp313-macosx_12_0_arm64.whl", hash = "sha256:b0768ad641981f5d3a198430a1d31c3e044ed2e8a6f22166b4d546a5116d7908"},
+    {file = "scikit_learn-1.5.2-cp313-cp313-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:178ddd0a5cb0044464fc1bfc4cca5b1833bfc7bb022d70b05db8530da4bb3dd3"},
+    {file = "scikit_learn-1.5.2-cp313-cp313-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:f7284ade780084d94505632241bf78c44ab3b6f1e8ccab3d2af58e0e950f9c12"},
+    {file = "scikit_learn-1.5.2-cp313-cp313-win_amd64.whl", hash = "sha256:b7b0f9a0b1040830d38c39b91b3a44e1b643f4b36e36567b80b7c6bd2202a27f"},
     {file = "scikit_learn-1.5.2-cp39-cp39-macosx_10_9_x86_64.whl", hash = "sha256:757c7d514ddb00ae249832fe87100d9c73c6ea91423802872d9e74970a0e40b9"},
     {file = "scikit_learn-1.5.2-cp39-cp39-macosx_12_0_arm64.whl", hash = "sha256:52788f48b5d8bca5c0736c175fa6bdaab2ef00a8f536cda698db61bd89c551c1"},
     {file = "scikit_learn-1.5.2-cp39-cp39-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:643964678f4b5fbdc95cbf8aec638acc7aa70f5f79ee2cdad1eec3df4ba6ead8"},
@@ -7646,4 +7653,4 @@ tesserocr = ["tesserocr"]
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.9"
-content-hash = "2e7c27ffe32d556a66cc1008a7147a90c17f63b01d2a6cde3e7b941ba7e268d7"
+content-hash = "6d93463a9d8ab91262b1e3947ac21ce63c2757d8b0ca68bc857516d742f1a621"
diff --git a/pyproject.toml b/pyproject.toml
index 4d4ceac9..7c84f763 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -26,7 +26,7 @@ packages = [{include = "docling"}]
 ######################
 python = "^3.9"
 pydantic = ">=2.0.0,<2.10"
-docling-core = "^2.5.1"
+docling-core = "^2.6.0"
 docling-ibm-models = "^2.0.6"
 deepsearch-glm = "^0.26.1"
 filetype = "^1.2.0"