diff --git a/services/reviewhelper-api/uv.lock b/services/reviewhelper-api/uv.lock
index 180ca1bf56..6a022aabee 100644
--- a/services/reviewhelper-api/uv.lock
+++ b/services/reviewhelper-api/uv.lock
@@ -1573,15 +1573,15 @@ wheels = [
 
 [[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 = [
-    { url = "https://files.pythonhosted.org/packages/48/e3/616e3a7ff737d98c1bbb5700dd62278914e2a9ded09a79a1fa93cf24ce12/langgraph_checkpoint-3.0.1-py3-none-any.whl", hash = "sha256:9b04a8d0edc0474ce4eaf30c5d731cee38f11ddff50a6177eead95b5c4e4220b", size = 46249, upload-time = "2025-11-04T21:55:46.472Z" },
+    { 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" },
 ]
 
 [[package]]