diff --git a/python/agents/software-bug-assistant/uv.lock b/python/agents/software-bug-assistant/uv.lock
index 46a860e25..7f3ed8ae5 100644
--- a/python/agents/software-bug-assistant/uv.lock
+++ b/python/agents/software-bug-assistant/uv.lock
@@ -1593,7 +1593,7 @@ wheels = [
 
 [[package]]
 name = "langchain-classic"
-version = "1.0.3"
+version = "1.0.7"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "async-timeout", marker = "python_full_version < '3.11'" },
@@ -1605,9 +1605,9 @@ dependencies = [
     { name = "requests" },
     { name = "sqlalchemy" },
 ]
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+sdist = { url = "https://files.pythonhosted.org/packages/9b/78/84b5065816f348c39fefa4316f209f0135e8410216340a953bec17d9e4e4/langchain_classic-1.0.7.tar.gz", hash = "sha256:debbec8065e69b95108d2652e8d5c44f4516e19aa8d716c02ed2211c3aee099d", size = 10554118, upload-time = "2026-05-07T15:46:56.8Z" }
 wheels = [
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+    { url = "https://files.pythonhosted.org/packages/f5/78/2d9980d028ff0523eea503a77c200e2ff252a3a75eb6e7842bcf5f9c979b/langchain_classic-1.0.7-py3-none-any.whl", hash = "sha256:d9d9be38f7aa534ed0259c2410432e34a1f80b1d491e686749bb55af56479be3", size = 1041386, upload-time = "2026-05-07T15:46:54.845Z" },
 ]
 
 [[package]]
@@ -1636,10 +1636,11 @@ wheels = [
 
 [[package]]
 name = "langchain-core"
-version = "1.2.23"
+version = "1.4.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "jsonpatch" },
+    { name = "langchain-protocol" },
     { name = "langsmith" },
     { name = "packaging" },
     { name = "pydantic" },
@@ -1648,21 +1649,33 @@ dependencies = [
     { name = "typing-extensions" },
     { name = "uuid-utils" },
 ]
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+sdist = { url = "https://files.pythonhosted.org/packages/59/de/679a53472c25860837e32c0442c962fa86e95317a36460e2c9d5c91b17c2/langchain_core-1.4.0.tar.gz", hash = "sha256:1dc341eed802ed9c117c0df3923c991e5e9e226571e5725c194eeb5bd93d1a7f", size = 920260, upload-time = "2026-05-11T18:42:35.919Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/0f/1a/86c38c27b81913a1c6c12448cab55defb5a1097c7dc9a4cea83f55477a2d/langchain_core-1.4.0-py3-none-any.whl", hash = "sha256:23cbbdb46e38ddd1dd5247e6167e96013eae74bea4c5949c550809970a9e565c", size = 548120, upload-time = "2026-05-11T18:42:33.992Z" },
+]
+
+[[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" }
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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" },
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 [[package]]
 name = "langchain-text-splitters"
-version = "1.1.1"
+version = "1.1.2"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "langchain-core" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/85/38/14121ead61e0e75f79c3a35e5148ac7c2fe754a55f76eab3eed573269524/langchain_text_splitters-1.1.1.tar.gz", hash = "sha256:34861abe7c07d9e49d4dc852d0129e26b32738b60a74486853ec9b6d6a8e01d2", size = 279352, upload-time = "2026-02-18T23:02:42.798Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/26/9f/6c545900fefb7b00ddfa3f16b80d61338a0ec68c31c5451eeeab99082760/langchain_text_splitters-1.1.2.tar.gz", hash = "sha256:782a723db0a4746ac91e251c7c1d57fd23636e4f38ed733074e28d7a86f41627", size = 293580, upload-time = "2026-04-16T14:20:39.162Z" }
 wheels = [
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+    { url = "https://files.pythonhosted.org/packages/d3/26/1ef06f56198d631296d646a6223de35bcc6cf9795ceb2442816bc963b84c/langchain_text_splitters-1.1.2-py3-none-any.whl", hash = "sha256:a2de0d799ff31886429fd6e2e0032df275b60ec817c19059a7b46181cc1c2f10", size = 35903, upload-time = "2026-04-16T14:20:38.243Z" },
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 [[package]]
@@ -3364,7 +3377,7 @@ requires-dist = [
 
 [package.metadata.requires-dev]
 dev = [
-    { name = "agent-starter-pack", specifier = ">=0.14.1" },
+    { name = "agent-starter-pack", specifier = ">=0.32.0" },
     { name = "codespell", specifier = ">=2.2.0" },
     { name = "mypy", specifier = ">=1.15.0" },
     { name = "pytest", specifier = ">=8.3.5" },