diff --git a/uv.lock b/uv.lock
index e25dfb0f..621a6920 100644
--- a/uv.lock
+++ b/uv.lock
@@ -3364,7 +3364,7 @@ wheels = [
 
 [[package]]
 name = "langgraph"
-version = "1.0.5"
+version = "1.0.9"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "langchain-core" },
@@ -3374,35 +3374,35 @@ dependencies = [
     { name = "pydantic" },
     { name = "xxhash" },
 ]
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+sdist = { url = "https://files.pythonhosted.org/packages/dc/63/69373a6721f30026ffa462a62084b11ed4bb5a201d1672366e13a89532f3/langgraph-1.0.9.tar.gz", hash = "sha256:feac2729faba7d3c325bef76f240d7d7f66b02d2cbf4fdb1ed7d0cc83f963651", size = 502800, upload-time = "2026-02-19T18:19:45.228Z" }
 wheels = [
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+    { url = "https://files.pythonhosted.org/packages/23/a2/562a6c2430085c2c29b23c1e1d12233bf41a64e9a9832eda7573af3666cf/langgraph-1.0.9-py3-none-any.whl", hash = "sha256:bce0d1f3e9a20434215a2a818395a58aedfc11c87bd6b52706c0db5c05ec44ec", size = 158150, upload-time = "2026-02-19T18:19:43.913Z" },
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 [[package]]
 name = "langgraph-checkpoint"
-version = "3.0.1"
+version = "4.0.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "langchain-core" },
     { name = "ormsgpack" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/0f/07/2b1c042fa87d40cf2db5ca27dc4e8dd86f9a0436a10aa4361a8982718ae7/langgraph_checkpoint-3.0.1.tar.gz", hash = "sha256:59222f875f85186a22c494aedc65c4e985a3df27e696e5016ba0b98a5ed2cee0", size = 137785, upload-time = "2025-11-04T21:55:47.774Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/98/76/55a18c59dedf39688d72c4b06af73a5e3ea0d1a01bc867b88fbf0659f203/langgraph_checkpoint-4.0.0.tar.gz", hash = "sha256:814d1bd050fac029476558d8e68d87bce9009a0262d04a2c14b918255954a624", size = 137320, upload-time = "2026-01-12T20:30:26.38Z" }
 wheels = [
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+    { url = "https://files.pythonhosted.org/packages/4a/de/ddd53b7032e623f3c7bcdab2b44e8bf635e468f62e10e5ff1946f62c9356/langgraph_checkpoint-4.0.0-py3-none-any.whl", hash = "sha256:3fa9b2635a7c5ac28b338f631abf6a030c3b508b7b9ce17c22611513b589c784", size = 46329, upload-time = "2026-01-12T20:30:25.2Z" },
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 [[package]]
 name = "langgraph-prebuilt"
-version = "1.0.5"
+version = "1.0.8"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "langchain-core" },
     { name = "langgraph-checkpoint" },
 ]
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+sdist = { url = "https://files.pythonhosted.org/packages/0d/06/dd61a5c2dce009d1b03b1d56f2a85b3127659fdddf5b3be5d8f1d60820fb/langgraph_prebuilt-1.0.8.tar.gz", hash = "sha256:0cd3cf5473ced8a6cd687cc5294e08d3de57529d8dd14fdc6ae4899549efcf69", size = 164442, upload-time = "2026-02-19T18:14:39.083Z" }
 wheels = [
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+    { url = "https://files.pythonhosted.org/packages/dc/41/ec966424ad3f2ed3996d24079d3342c8cd6c0bd0653c12b2a917a685ec6c/langgraph_prebuilt-1.0.8-py3-none-any.whl", hash = "sha256:d16a731e591ba4470f3e313a319c7eee7dbc40895bcf15c821f985a3522a7ce0", size = 35648, upload-time = "2026-02-19T18:14:37.611Z" },
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 [[package]]