diff --git a/libs/langchain_v1/langchain/__init__.py b/libs/langchain_v1/langchain/__init__.py
index 498b37b801a..05e835b52f9 100644
--- a/libs/langchain_v1/langchain/__init__.py
+++ b/libs/langchain_v1/langchain/__init__.py
@@ -1,3 +1,3 @@
 """Main entrypoint into LangChain."""
 
-__version__ = "1.2.17"
+__version__ = "1.2.18"
diff --git a/libs/langchain_v1/pyproject.toml b/libs/langchain_v1/pyproject.toml
index efdf36f682e..0fb60cf3b58 100644
--- a/libs/langchain_v1/pyproject.toml
+++ b/libs/langchain_v1/pyproject.toml
@@ -21,10 +21,10 @@ classifiers = [
     "Topic :: Software Development :: Libraries :: Python Modules",
 ]
 
-version = "1.2.17"
+version = "1.2.18"
 requires-python = ">=3.10.0,<4.0.0"
 dependencies = [
-    "langchain-core>=1.3.2,<2.0.0",
+    "langchain-core>=1.3.3,<2.0.0",
     "langgraph>=1.1.10,<1.2.0",
     "pydantic>=2.7.4,<3.0.0",
 ]
diff --git a/libs/langchain_v1/uv.lock b/libs/langchain_v1/uv.lock
index b1d012678cd..adc83a27188 100644
--- a/libs/langchain_v1/uv.lock
+++ b/libs/langchain_v1/uv.lock
@@ -1982,7 +1982,7 @@ wheels = [
 
 [[package]]
 name = "langchain"
-version = "1.2.17"
+version = "1.2.18"
 source = { editable = "." }
 dependencies = [
     { name = "langchain-core" },