From 77ce58db23cbd5aae28fc4765d1f5a129533276e Mon Sep 17 00:00:00 2001
From: William Fu-Hinthorn <13333726+hinthornw@users.noreply.github.com>
Date: Tue, 9 Dec 2025 15:50:52 -0800
Subject: [PATCH] Update bounds for other projects

---
 libs/checkpoint-postgres/pyproject.toml | 2 +-
 libs/checkpoint-sqlite/pyproject.toml   | 2 +-
 libs/langgraph/pyproject.toml           | 2 +-
 libs/prebuilt/pyproject.toml            | 2 +-
 libs/prebuilt/tests/test_react_agent.py | 2 +-
 5 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/libs/checkpoint-postgres/pyproject.toml b/libs/checkpoint-postgres/pyproject.toml
index f95ea3b62..b7c3fc716 100644
--- a/libs/checkpoint-postgres/pyproject.toml
+++ b/libs/checkpoint-postgres/pyproject.toml
@@ -12,7 +12,7 @@ readme = "README.md"
 license = "MIT"
 license-files = ['LICENSE']
 dependencies = [
-  "langgraph-checkpoint>=2.1.2,<4.0.0",
+  "langgraph-checkpoint>=2.1.2,<5.0.0",
   "orjson>=3.10.1",
   "psycopg>=3.2.0",
   "psycopg-pool>=3.2.0",
diff --git a/libs/checkpoint-sqlite/pyproject.toml b/libs/checkpoint-sqlite/pyproject.toml
index 8881c3aa9..3e4774927 100644
--- a/libs/checkpoint-sqlite/pyproject.toml
+++ b/libs/checkpoint-sqlite/pyproject.toml
@@ -12,7 +12,7 @@ readme = "README.md"
 license = "MIT"
 license-files = ['LICENSE']
 dependencies = [
-    "langgraph-checkpoint>=3,<4.0.0",
+    "langgraph-checkpoint>=3,<5.0.0",
     "aiosqlite>=0.20",
     "sqlite-vec>=0.1.6",
 ]
diff --git a/libs/langgraph/pyproject.toml b/libs/langgraph/pyproject.toml
index dfe43e118..fb528f4cb 100644
--- a/libs/langgraph/pyproject.toml
+++ b/libs/langgraph/pyproject.toml
@@ -25,7 +25,7 @@ classifiers = [
 ]
 dependencies = [
     "langchain-core>=0.1",
-    "langgraph-checkpoint>=2.1.0,<4.0.0",
+    "langgraph-checkpoint>=2.1.0,<5.0.0",
     "langgraph-sdk>=0.2.2,<0.3.0",
     "langgraph-prebuilt>=1.0.2,<1.1.0",
     "xxhash>=3.5.0",
diff --git a/libs/prebuilt/pyproject.toml b/libs/prebuilt/pyproject.toml
index 8ae696b9b..491126c87 100644
--- a/libs/prebuilt/pyproject.toml
+++ b/libs/prebuilt/pyproject.toml
@@ -24,7 +24,7 @@ classifiers = [
     'Programming Language :: Python :: 3.13',
 ]
 dependencies = [
-    "langgraph-checkpoint>=2.1.0,<4.0.0",
+    "langgraph-checkpoint>=2.1.0,<5.0.0",
     "langchain-core>=1.0.0",
 ]
 
diff --git a/libs/prebuilt/tests/test_react_agent.py b/libs/prebuilt/tests/test_react_agent.py
index 4dd265d4b..c801a96dc 100644
--- a/libs/prebuilt/tests/test_react_agent.py
+++ b/libs/prebuilt/tests/test_react_agent.py
@@ -638,7 +638,7 @@ def test_react_agent_parallel_tool_calls(
     for event in agent.stream(
         {"messages": [("user", query)]}, config, stream_mode="values"
     ):
-        if "__interrupt__" not in event: 
+        if "__interrupt__" not in event:
             if messages := event.get("messages"):
                 message_types.append([m.type for m in messages])