diff --git a/libs/core/langchain_core/version.py b/libs/core/langchain_core/version.py
index d730a735b7a..7cc6c5b84b4 100644
--- a/libs/core/langchain_core/version.py
+++ b/libs/core/langchain_core/version.py
@@ -1,3 +1,3 @@
 """langchain-core version information and utilities."""
 
-VERSION = "1.2.6"
+VERSION = "1.2.7"
diff --git a/libs/core/pyproject.toml b/libs/core/pyproject.toml
index 1c4cee197ec..f2407f1f4eb 100644
--- a/libs/core/pyproject.toml
+++ b/libs/core/pyproject.toml
@@ -9,7 +9,7 @@ license = {text = "MIT"}
 readme = "README.md"
 authors = []
 
-version = "1.2.6"
+version = "1.2.7"
 requires-python = ">=3.10.0,<4.0.0"
 dependencies = [
     "langsmith>=0.3.45,<1.0.0",
diff --git a/libs/core/uv.lock b/libs/core/uv.lock
index 633b7db3e07..78e4b802e5f 100644
--- a/libs/core/uv.lock
+++ b/libs/core/uv.lock
@@ -1,5 +1,5 @@
 version = 1
-revision = 2
+revision = 3
 requires-python = ">=3.10.0, <4.0.0"
 resolution-markers = [
     "python_full_version >= '3.14' and platform_python_implementation == 'PyPy'",
@@ -983,7 +983,7 @@ wheels = [
 
 [[package]]
 name = "langchain-core"
-version = "1.2.6"
+version = "1.2.7"
 source = { editable = "." }
 dependencies = [
     { name = "jsonpatch" },