diff --git a/pyproject.toml b/pyproject.toml
index c9cdc0e0604..9733e67da7a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,8 +23,8 @@ dependencies = [
   "gitpython",
   "importlib-metadata>=3.10; python_version < '3.9'",
   "jsonpickle",
-  "langchain-core~=1.2.28",
-  "langchain-openai~=1.1.14",
+  "langchain-core~=1.3.3",
+  "langchain-openai~=1.2.1",
   "langchain-anthropic~=1.4.0",
   "langchain-google-genai~=4.2.0",
   "langchain-mistralai~=1.1.1",
diff --git a/uv.lock b/uv.lock
index 6a1ad75bd8d..e5d0693d9df 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1008,10 +1008,11 @@ wheels = [
 
 [[package]]
 name = "langchain-core"
-version = "1.2.31"
+version = "1.3.3"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "jsonpatch" },
+    { name = "langchain-protocol" },
     { name = "langsmith" },
     { name = "packaging" },
     { name = "pydantic" },
@@ -1020,9 +1021,9 @@ dependencies = [
     { name = "typing-extensions" },
     { name = "uuid-utils" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/a1/5a/7523ff55668a233beef7e909e8e2074a1cc3b620e0bbf0a4ec5f38549b3b/langchain_core-1.2.31.tar.gz", hash = "sha256:aad3ecc9e4dce2dd2bb79526c81b92e5322fd81db7834a031cb80359f2e3ebaa", size = 850756, upload-time = "2026-04-16T13:26:29.241Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/d3/ae/8b74458fc3850ec3d150eb9f45e857db129dafa801fb5cf173dfc9f8bbf3/langchain_core-1.3.3.tar.gz", hash = "sha256:fa510a5db8efdc0c6ff41c0939fb5c00a0183c11f6b84233e892e3227ff69182", size = 915041, upload-time = "2026-05-05T19:02:36.612Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/52/02/668ddf4f1cf963ad691bdbea672a85244e6271eb0a4acfaf662bbd94a3b1/langchain_core-1.2.31-py3-none-any.whl", hash = "sha256:c407193edb99311cc36ec3e4d3667a065bbc4d7d72fbb6e368538b9b134d4033", size = 513264, upload-time = "2026-04-16T13:26:27.566Z" },
+    { url = "https://files.pythonhosted.org/packages/1f/01/4771b7ab2af1d1aba5b710bd8f13d9225c609425214b357590a17b01be77/langchain_core-1.3.3-py3-none-any.whl", hash = "sha256:18aae8506f37da7f74398492279a7d6efcee4f8e23c4c41c7af080eeb7ef7bd1", size = 543857, upload-time = "2026-05-05T19:02:34.52Z" },
 ]
 
 [[package]]
@@ -1098,16 +1099,28 @@ wheels = [
 
 [[package]]
 name = "langchain-openai"
-version = "1.1.14"
+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/8e/f5/b1a56f703fb90952b07ff9fb5507123a39df1267d62a7f2bb821c5dbb628/langchain_openai-1.1.14.tar.gz", hash = "sha256:71b4262932fabe506ce79c175dbc956cc48f24d81e20b27662df493147750643", size = 1115195, upload-time = "2026-04-16T14:55:24.696Z" }
+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/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 = "0.0.15"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "typing-extensions" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/4f/24/9777489d6fbbee64af0c8f96d4f840239c408cf694f3394672807dafc490/langchain_protocol-0.0.15.tar.gz", hash = "sha256:9ab2d11ee73944754f10e037e717098d3a6796f0e58afa9cadda6154e7655ade", size = 5862, upload-time = "2026-05-01T22:30:04.748Z" }
 wheels = [
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+    { url = "https://files.pythonhosted.org/packages/1d/7a/9c97a7b9cbe4c5dc6a44cdb1545450c28f0c8ce89b9c1f0ee7fbad896263/langchain_protocol-0.0.15-py3-none-any.whl", hash = "sha256:461eb794358f83d5e42635a5797799ffec7b4702314e34edf73ac21e75d3ef79", size = 6982, upload-time = "2026-05-01T22:30:03.877Z" },
 ]
 
 [[package]]
@@ -1305,14 +1318,14 @@ requires-dist = [
     { name = "jsonpickle" },
     { name = "langchain-anthropic", specifier = "~=1.4.0" },
     { name = "langchain-community", specifier = "~=0.4.1" },
-    { name = "langchain-core", specifier = "~=1.2.28" },
+    { name = "langchain-core", specifier = "~=1.3.3" },
     { name = "langchain-deepseek", specifier = "~=1.0.1" },
     { name = "langchain-google-genai", specifier = "~=4.2.0" },
     { name = "langchain-huggingface", marker = "extra == 'all-llm'" },
     { name = "langchain-huggingface", marker = "extra == 'huggingface'" },
     { name = "langchain-mistralai", specifier = "~=1.1.1" },
     { name = "langchain-ollama", specifier = "~=1.1.0" },
-    { name = "langchain-openai", specifier = "~=1.1.14" },
+    { name = "langchain-openai", specifier = "~=1.2.1" },
     { name = "multiprocessing-logging" },
     { name = "pygithub" },
     { name = "pyjwt", specifier = ">=2.12.0" },