diff --git a/uv.lock b/uv.lock
index abf51a1..f8ada44 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1,5 +1,5 @@
 version = 1
-revision = 3
+revision = 5
 requires-python = ">=3.11"
 resolution-markers = [
     "python_full_version >= '3.15'",
@@ -497,15 +497,15 @@ wheels = [
 
 [[package]]
 name = "langgraph-checkpoint"
-version = "4.3.0"
+version = "4.3.1"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "langchain-core" },
     { name = "ormsgpack" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/0f/69/31fdbdc65a85bbd6178afa193c772bb926620f47b4869638bc2bc80afaaa/langgraph_checkpoint-4.3.0.tar.gz", hash = "sha256:c75965d84cc2c1d549163e910a15bcb577758001b141619d05297c463280b018", size = 182652, upload-time = "2026-10-12T22:26:31.478Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/f0/c4/f4107f50dd07169d08d95766cd69104231e694f44a1b25b68ad8b393712d/langgraph_checkpoint-4.3.1.tar.gz", hash = "sha256:625e7c78a72b33e7c47f7e87ca051060fb90aa66f5fd551c472c08376fb669cb", size = 182679, upload-time = "2026-10-26T19:57:31.416Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/1f/0c/84747e340bf4f29291c84cdd5733fc8d0a822f3d33bb24e664a18afa4a7c/langgraph_checkpoint-4.3.0-py3-none-any.whl", hash = "sha256:bedfafe2f997ded60e4fa593e79f56f436a6e45586392dc382aa810d0c751c64", size = 58063, upload-time = "2026-10-12T22:26:30.429Z" },
+    { url = "https://files.pythonhosted.org/packages/f3/40/4251d676b5c585d42175c901175d4bff56e22939625e18bcef781fc3e893/langgraph_checkpoint-4.3.1-py3-none-any.whl", hash = "sha256:215a826935c8db4d9676e79fd95943e5b3847d78604390898e1d98581cc594e5", size = 58093, upload-time = "2026-10-26T19:57:30.361Z" },
 ]
 
 [[package]]