diff --git a/pyproject.toml b/pyproject.toml
index 3798ca39..02808e6c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -35,7 +35,7 @@ dependencies = []
 compat = ["six>=1.17.0"]
 ai = ["httpx==0.28.1", "langchain>=1.2.15", "mcp>=1.27.0", "pydantic>=2.13.1"]
 anthropic = ["splunk-sdk[ai]>=2.1.1", "langchain-anthropic>=1.4.0"]
-openai = ["splunk-sdk[ai]>=2.1.1", "langchain-openai>=1.1.13"]
+openai = ["splunk-sdk[ai]>=2.1.1", "langchain-openai>=1.2.1"]
 
 # Treat the same as NPM's `devDependencies`
 [dependency-groups]
diff --git a/uv.lock b/uv.lock
index 91e7abec..4d397d8d 100644
--- a/uv.lock
+++ b/uv.lock
@@ -661,10 +661,11 @@ wheels = [
 
 [[package]]
 name = "langchain-core"
-version = "1.2.30"
+version = "1.3.2"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "jsonpatch" },
+    { name = "langchain-protocol" },
     { name = "langsmith" },
     { name = "packaging" },
     { name = "pydantic" },
@@ -673,23 +674,35 @@ dependencies = [
     { name = "typing-extensions" },
     { name = "uuid-utils" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/aa/c6/f149313d1536de8fe45619d460a12308b5a87947a37d4958024d79b011b0/langchain_core-1.2.30.tar.gz", hash = "sha256:ee6c6b3476215c4be438231bab7003d880359230b9fdf1f65e0ffa1bde8a58e0", size = 850262, upload-time = "2026-04-15T20:37:13.946Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/a8/03/7219502e8ca728d65eb44d7a3eb60239230742a70dbfc9241b9bfd61c4ab/langchain_core-1.3.2.tar.gz", hash = "sha256:fd7a50b2f28ba561fd9d7f5d2760bc9e06cf00cdf820a3ccafe88a94ffa8d5b7", size = 911813, upload-time = "2026-04-24T15:49:23.699Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/79/46/e988e9f024e762750f9f53878316980bdaea2ab1f19600df01a7c39eda89/langchain_core-1.2.30-py3-none-any.whl", hash = "sha256:26fa50894449b29b31b3712fa4975db679d26abe8241a966ea2c5978b68d8394", size = 513005, upload-time = "2026-04-15T20:37:12.396Z" },
+    { url = "https://files.pythonhosted.org/packages/7d/d5/8fa4431007cbb7cfed7590f4d6a5dea3ad724f4174d248f6642ef5ce7d05/langchain_core-1.3.2-py3-none-any.whl", hash = "sha256:d44a66127f9f8db735bdfd0ab9661bccb47a97113cfd3f2d89c74864422b7274", size = 542390, upload-time = "2026-04-24T15:49:21.991Z" },
 ]
 
 [[package]]
 name = "langchain-openai"
-version = "1.1.13"
+version = "1.2.1"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "langchain-core" },
     { name = "openai" },
     { name = "tiktoken" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/c3/63/0fed7cae7103e4b7aced76208aa92c02ae78bdf1be48bd9d83e4051d6c31/langchain_openai-1.1.13.tar.gz", hash = "sha256:88e13342407016785bd3c48be32ded1f28b992403bbb82505b558d81b038adc2", size = 1114743, upload-time = "2026-04-15T01:37:19.409Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/9a/0e/d8e16c28aa67106d285e63b8ffc04c5af68341e345ce24a0751dbf2e167e/langchain_openai-1.2.1.tar.gz", hash = "sha256:ee4480b787706361b7125fad46930589a624df87aa158c6986ef1fad10d10675", size = 1146092, upload-time = "2026-04-24T19:46:43.328Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/6e/d1/ca789988897096883289f9597ee653574b67b4b2a8f40bc306dfd73742d5/langchain_openai-1.1.13-py3-none-any.whl", hash = "sha256:54ba1e9f2f0f428aeea68271a87823a0a1b22360283990a713c731d2ef7da926", size = 88723, upload-time = "2026-04-15T01:37:18.062Z" },
+    { url = "https://files.pythonhosted.org/packages/dc/55/2865b18ee3a3dd11160b8c4b2cf37e75bf2a4a8d1d38868ffffc7b7cc180/langchain_openai-1.2.1-py3-none-any.whl", hash = "sha256:a80732185030d4f453dda6c25feef46f645f665423fdffe38ae3edf1ac3c6c4d", size = 98626, upload-time = "2026-04-24T19:46:41.971Z" },
+]
+
+[[package]]
+name = "langchain-protocol"
+version = "0.0.12"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "typing-extensions" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/5c/51/1157009b6f94e6e58be58fa8b620187d657909a8b36a6bf5b0c52a2711f6/langchain_protocol-0.0.12.tar.gz", hash = "sha256:5e14c434290a705c9510fdb1a83ecf7561a5e6e0dfd053930ade80dba069269f", size = 6408, upload-time = "2026-04-25T01:05:01.489Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/95/82/3431e3061c917439589fa88a6b23c9bc0e154cba0f05d2e895a68c76ff74/langchain_protocol-0.0.12-py3-none-any.whl", hash = "sha256:402b61f42d4139692528cf37226c367bb6efc8ff8165b29380accb0abfece7b2", size = 6639, upload-time = "2026-04-25T01:05:00.487Z" },
 ]
 
 [[package]]
@@ -1713,7 +1726,7 @@ requires-dist = [
     { name = "httpx", marker = "extra == 'ai'", specifier = "==0.28.1" },
     { name = "langchain", marker = "extra == 'ai'", specifier = ">=1.2.15" },
     { name = "langchain-anthropic", marker = "extra == 'anthropic'", specifier = ">=1.4.0" },
-    { name = "langchain-openai", marker = "extra == 'openai'", specifier = ">=1.1.13" },
+    { name = "langchain-openai", marker = "extra == 'openai'", specifier = ">=1.2.1" },
     { name = "mcp", marker = "extra == 'ai'", specifier = ">=1.27.0" },
     { name = "pydantic", marker = "extra == 'ai'", specifier = ">=2.13.1" },
     { name = "six", marker = "extra == 'compat'", specifier = ">=1.17.0" },