diff --git a/libs/community/langchain_community/chat_models/sambanova.py b/libs/community/langchain_community/chat_models/sambanova.py
index 8f0e958f0c..0227a6a6e2 100644
--- a/libs/community/langchain_community/chat_models/sambanova.py
+++ b/libs/community/langchain_community/chat_models/sambanova.py
@@ -239,7 +239,7 @@ class ChatSambaNovaCloud(BaseChatModel):
     """stream options, include usage to get generation metrics"""
 
     additional_headers: Dict[str, Any] = Field(default={})
-    """Additional headers to sent in request"""
+    """Additional headers to send in request"""
 
     class Config:
         populate_by_name = True
diff --git a/libs/partners/xai/poetry.lock b/libs/partners/xai/poetry.lock
index 95ba6848ae..0502c9065a 100644
--- a/libs/partners/xai/poetry.lock
+++ b/libs/partners/xai/poetry.lock
@@ -720,7 +720,7 @@ files = [
 
 [[package]]
 name = "langchain-core"
-version = "0.3.17"
+version = "0.3.18"
 description = "Building applications with LLMs through composability"
 optional = false
 python-versions = ">=3.9,<4.0"
@@ -2071,4 +2071,4 @@ propcache = ">=0.2.0"
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.9,<4.0"
-content-hash = "954aeccc9bb5a2c79b1fd5affaab2303d588dcda6447db5e866430de7f759823"
+content-hash = "1f77714ec9420ce148ab90de835585ddf87ce68f2d28240f63fcea47c9bccf6c"
diff --git a/libs/partners/xai/pyproject.toml b/libs/partners/xai/pyproject.toml
index 819223c97d..a6dbc23286 100644
--- a/libs/partners/xai/pyproject.toml
+++ b/libs/partners/xai/pyproject.toml
@@ -21,7 +21,7 @@ disallow_untyped_defs = "True"
 [tool.poetry.dependencies]
 python = ">=3.9,<4.0"
 langchain-openai = ">=0.2,<0.3"
-langchain-core = ">=0.3,<0.4"
+langchain-core = ">=0.3.18,<0.4"
 requests = ">=2,<3"
 aiohttp = ">=3.9.1,<4"