From 6cff82d02e12a41f09f8ab26c3c90fbb936a41b0 Mon Sep 17 00:00:00 2001
From: ccurme <chester.curme@gmail.com>
Date: Mon, 15 Dec 2025 09:28:46 -0500
Subject: [PATCH] release(core): 1.2.1 (#34370)

---
 libs/core/langchain_core/version.py | 2 +-
 libs/core/pyproject.toml            | 2 +-
 libs/core/uv.lock                   | 6 +++---
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/libs/core/langchain_core/version.py b/libs/core/langchain_core/version.py
index 2d3e0472941..ed151513689 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 = "1.2.0"
+VERSION = "1.2.1"
diff --git a/libs/core/pyproject.toml b/libs/core/pyproject.toml
index 0caf0af1e1e..d647da93128 100644
--- a/libs/core/pyproject.toml
+++ b/libs/core/pyproject.toml
@@ -9,7 +9,7 @@ license = {text = "MIT"}
 readme = "README.md"
 authors = []
 
-version = "1.2.0"
+version = "1.2.1"
 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 f0b1a6c8a0b..d85bdf04292 100644
--- a/libs/core/uv.lock
+++ b/libs/core/uv.lock
@@ -983,7 +983,7 @@ wheels = [
 
 [[package]]
 name = "langchain-core"
-version = "1.2.0"
+version = "1.2.1"
 source = { editable = "." }
 dependencies = [
     { name = "jsonpatch" },
@@ -1078,7 +1078,7 @@ typing = [
 
 [[package]]
 name = "langchain-tests"
-version = "1.0.2"
+version = "1.1.0"
 source = { directory = "../standard-tests" }
 dependencies = [
     { name = "httpx" },
@@ -1123,7 +1123,7 @@ typing = [
 
 [[package]]
 name = "langchain-text-splitters"
-version = "1.0.0"
+version = "1.1.0"
 source = { directory = "../text-splitters" }
 dependencies = [
     { name = "langchain-core" },