diff --git a/libs/langgraph/langgraph/pregel/debug.py b/libs/langgraph/langgraph/pregel/debug.py
index c08699e2b..9e152cf87 100644
--- a/libs/langgraph/langgraph/pregel/debug.py
+++ b/libs/langgraph/langgraph/pregel/debug.py
@@ -99,7 +99,6 @@ def map_debug_task_results(
         metadata = config["metadata"].copy()
         metadata.pop("checkpoint_id", None)
         # TODO: make task IDs deterministic in tests and reuse task IDs for payload ID
-        metadata.pop("checkpoint_ns", None)
 
         yield {
             "type": "task_result",
diff --git a/libs/langgraph/poetry.lock b/libs/langgraph/poetry.lock
index c851c9ee0..0b238c8c6 100644
--- a/libs/langgraph/poetry.lock
+++ b/libs/langgraph/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 1.8.2 and should not be changed by hand.
+# This file is automatically @generated by Poetry 1.8.3 and should not be changed by hand.
 
 [[package]]
 name = "aiohttp"
@@ -1748,13 +1748,13 @@ langchain-core = ">=0.2.2rc1,<0.3"
 
 [[package]]
 name = "langchain-core"
-version = "0.2.25"
+version = "0.2.27"
 description = "Building applications with LLMs through composability"
 optional = false
 python-versions = "<4.0,>=3.8.1"
 files = [
-    {file = "langchain_core-0.2.25-py3-none-any.whl", hash = "sha256:03d61b2a7f4b5f98df248c1b1f0ccd95c9d5ef2269e174133724365cd2a7ee1e"},
-    {file = "langchain_core-0.2.25.tar.gz", hash = "sha256:e64106a7d0e37e4d35b767f79e6c62b56e825f08f9e8cc4368bcea9955257a7e"},
+    {file = "langchain_core-0.2.27-py3-none-any.whl", hash = "sha256:b12f58d4e3590e8e0b4b727acb0457b00e80862d1bf8b9d1ae36128adb08a7d0"},
+    {file = "langchain_core-0.2.27.tar.gz", hash = "sha256:5d2e4b9bc84285bbfe19864363b1a21dd04c2eed12d4a6b39f239ee02237ce40"},
 ]
 
 [package.dependencies]
@@ -1767,6 +1767,7 @@ pydantic = [
 ]
 PyYAML = ">=5.3"
 tenacity = ">=8.1.0,<8.4.0 || >8.4.0,<9.0.0"
+typing-extensions = ">=4.7"
 
 [[package]]
 name = "langchain-openai"
@@ -4149,4 +4150,4 @@ test = ["big-O", "importlib-resources", "jaraco.functools", "jaraco.itertools",
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.9.0,<4.0"
-content-hash = "67b7cf32bfc11e115fa71c28af7880d63faff72a499d54fc2735ebff2bc13c90"
+content-hash = "cd715a85af9a3883a45a8f7cf2944aee0e003954c93921d4f13dcd69fce51e42"
diff --git a/libs/langgraph/pyproject.toml b/libs/langgraph/pyproject.toml
index f316932b1..828bdb435 100644
--- a/libs/langgraph/pyproject.toml
+++ b/libs/langgraph/pyproject.toml
@@ -9,7 +9,7 @@ repository = "https://www.github.com/langchain-ai/langgraph"
 
 [tool.poetry.dependencies]
 python = ">=3.9.0,<4.0"
-langchain-core = ">=0.2.22,<0.3"
+langchain-core = ">=0.2.27,<0.3"
 
 
 [tool.poetry.group.dev.dependencies]