diff --git a/libs/partners/openai/langchain_openai/chat_models/base.py b/libs/partners/openai/langchain_openai/chat_models/base.py
index ae80d38abcf..6468ecf9fdf 100644
--- a/libs/partners/openai/langchain_openai/chat_models/base.py
+++ b/libs/partners/openai/langchain_openai/chat_models/base.py
@@ -6,6 +6,7 @@ import base64
 import json
 import logging
 import os
+import ssl
 import sys
 import warnings
 from io import BytesIO
@@ -108,6 +109,8 @@ if TYPE_CHECKING:
 
 logger = logging.getLogger(__name__)
 
+global_ssl_context = ssl.create_default_context()
+
 
 def _convert_dict_to_message(_dict: Mapping[str, Any]) -> BaseMessage:
     """Convert a dictionary to a LangChain message.
@@ -601,7 +604,9 @@ class BaseChatOpenAI(BaseChatModel):
                     "Could not import httpx python package. "
                     "Please install it with `pip install httpx`."
                 ) from e
-            self._http_client = httpx.Client(proxy=self.openai_proxy)
+            self._http_client = httpx.Client(
+                proxy=self.openai_proxy, verify=global_ssl_context
+            )
         return self._http_client
 
     @property
@@ -621,7 +626,9 @@ class BaseChatOpenAI(BaseChatModel):
                     "Could not import httpx python package. "
                     "Please install it with `pip install httpx`."
                 ) from e
-            self._http_async_client = httpx.AsyncClient(proxy=self.openai_proxy)
+            self._http_async_client = httpx.AsyncClient(
+                proxy=self.openai_proxy, verify=global_ssl_context
+            )
         return self._http_async_client
 
     @property