diff --git a/poetry.lock b/poetry.lock
index 43ab26a4..ed823cb5 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 1.8.5 and should not be changed by hand.
+# This file is automatically @generated by Poetry 1.8.4 and should not be changed by hand.
 
 [[package]]
 name = "aiohappyeyeballs"
@@ -869,29 +869,33 @@ name = "docling-core"
 version = "2.18.1"
 description = "A python library to define and validate data types in Docling."
 optional = false
-python-versions = "<4.0,>=3.9"
-files = [
-    {file = "docling_core-2.18.1-py3-none-any.whl", hash = "sha256:6083ca0bed7534cd923dd06d348960cfe8ff598ba19c22a81b799747e698204a"},
-    {file = "docling_core-2.18.1.tar.gz", hash = "sha256:c2cc3ff1aefa4a79a0d0c39046a9d158de48ac7d0bba225636dde0d42ef7df6c"},
-]
+python-versions = "^3.9"
+files = []
+develop = false
 
 [package.dependencies]
-jsonref = ">=1.1.0,<2.0.0"
-jsonschema = ">=4.16.0,<5.0.0"
-latex2mathml = ">=3.77.0,<4.0.0"
-pandas = ">=2.1.4,<3.0.0"
+jsonref = "^1.1.0"
+jsonschema = "^4.16.0"
+latex2mathml = "^3.77.0"
+pandas = "^2.1.4"
 pillow = ">=10.0.0,<12.0.0"
-pydantic = ">=2.6.0,<2.10.0 || >2.10.0,<2.10.1 || >2.10.1,<2.10.2 || >2.10.2,<3.0.0"
+pydantic = ">=2.6.0,<3.0.0,!=2.10.0,!=2.10.1,!=2.10.2"
 pyyaml = ">=5.1,<7.0.0"
-semchunk = {version = ">=2.2.0,<3.0.0", optional = true, markers = "extra == \"chunking\""}
-tabulate = ">=0.9.0,<0.10.0"
-transformers = {version = ">=4.34.0,<5.0.0", optional = true, markers = "extra == \"chunking\""}
-typer = ">=0.12.5,<0.13.0"
-typing-extensions = ">=4.12.2,<5.0.0"
+semchunk = {version = "^2.2.0", optional = true}
+tabulate = "^0.9.0"
+transformers = {version = "^4.34.0", optional = true}
+typer = "^0.12.5"
+typing-extensions = "^4.12.2"
 
 [package.extras]
 chunking = ["semchunk (>=2.2.0,<3.0.0)", "transformers (>=4.34.0,<5.0.0)"]
 
+[package.source]
+type = "git"
+url = "https://github.com/DS4SD/docling-core.git"
+reference = "dt_cleanup"
+resolved_reference = "10797bebf93761ed5a487e66eb74a12bf3da43fb"
+
 [[package]]
 name = "docling-ibm-models"
 version = "3.3.2"
@@ -3833,13 +3837,7 @@ description = "Wrapper package for OpenCV python bindings."
 optional = true
 python-versions = ">=3.6"
 files = [
-    {file = "opencv-python-4.11.0.86.tar.gz", hash = "sha256:03d60ccae62304860d232272e4a4fda93c39d595780cb40b161b310244b736a4"},
-    {file = "opencv_python-4.11.0.86-cp37-abi3-macosx_13_0_arm64.whl", hash = "sha256:432f67c223f1dc2824f5e73cdfcd9db0efc8710647d4e813012195dc9122a52a"},
-    {file = "opencv_python-4.11.0.86-cp37-abi3-macosx_13_0_x86_64.whl", hash = "sha256:9d05ef13d23fe97f575153558653e2d6e87103995d54e6a35db3f282fe1f9c66"},
     {file = "opencv_python-4.11.0.86-cp37-abi3-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:1b92ae2c8852208817e6776ba1ea0d6b1e0a1b5431e971a2a0ddd2a8cc398202"},
-    {file = "opencv_python-4.11.0.86-cp37-abi3-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:6b02611523803495003bd87362db3e1d2a0454a6a63025dc6658a9830570aa0d"},
-    {file = "opencv_python-4.11.0.86-cp37-abi3-win32.whl", hash = "sha256:810549cb2a4aedaa84ad9a1c92fbfdfc14090e2749cedf2c1589ad8359aa169b"},
-    {file = "opencv_python-4.11.0.86-cp37-abi3-win_amd64.whl", hash = "sha256:085ad9b77c18853ea66283e98affefe2de8cc4c1f43eda4c100cf9b2721142ec"},
 ]
 
 [package.dependencies]
@@ -3859,13 +3857,7 @@ description = "Wrapper package for OpenCV python bindings."
 optional = false
 python-versions = ">=3.6"
 files = [
-    {file = "opencv-python-headless-4.11.0.86.tar.gz", hash = "sha256:996eb282ca4b43ec6a3972414de0e2331f5d9cda2b41091a49739c19fb843798"},
-    {file = "opencv_python_headless-4.11.0.86-cp37-abi3-macosx_13_0_arm64.whl", hash = "sha256:48128188ade4a7e517237c8e1e11a9cdf5c282761473383e77beb875bb1e61ca"},
-    {file = "opencv_python_headless-4.11.0.86-cp37-abi3-macosx_13_0_x86_64.whl", hash = "sha256:a66c1b286a9de872c343ee7c3553b084244299714ebb50fbdcd76f07ebbe6c81"},
     {file = "opencv_python_headless-4.11.0.86-cp37-abi3-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:6efabcaa9df731f29e5ea9051776715b1bdd1845d7c9530065c7951d2a2899eb"},
-    {file = "opencv_python_headless-4.11.0.86-cp37-abi3-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:0e0a27c19dd1f40ddff94976cfe43066fbbe9dfbb2ec1907d66c19caef42a57b"},
-    {file = "opencv_python_headless-4.11.0.86-cp37-abi3-win32.whl", hash = "sha256:f447d8acbb0b6f2808da71fddd29c1cdd448d2bc98f72d9bb78a7a898fc9621b"},
-    {file = "opencv_python_headless-4.11.0.86-cp37-abi3-win_amd64.whl", hash = "sha256:6c304df9caa7a6a5710b91709dd4786bf20a74d57672b3c31f7033cc638174ca"},
 ]
 
 [package.dependencies]
@@ -7842,4 +7834,4 @@ vlm = ["transformers", "transformers"]
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.9"
-content-hash = "8ffe337614eaba9d560f7fc971c8ca3ebe7cbf58bb004af3a9616371e08047ac"
+content-hash = "89a9fce0d10c9c23f72062fe06d7ecaedac6a9a295e932ddebdbbde160a83cca"
diff --git a/pyproject.toml b/pyproject.toml
index 55af0751..21e1bb4a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -26,7 +26,8 @@ packages = [{include = "docling"}]
 ######################
 python = "^3.9"
 pydantic = "^2.0.0"
-docling-core = {extras = ["chunking"], version = "^2.18.0"}
+# docling-core = {extras = ["chunking"], version = "^2.18.0"}
+docling-core = {extras = ["chunking"], git = "https://github.com/DS4SD/docling-core.git", rev = "dt_cleanup"}
 docling-ibm-models = "^3.3.0"
 deepsearch-glm = "^1.0.0"
 docling-parse = "^3.3.0"