diff --git a/libs/admin-api-lib/pyproject.toml b/libs/admin-api-lib/pyproject.toml
index d394434e..682a2b3a 100644
--- a/libs/admin-api-lib/pyproject.toml
+++ b/libs/admin-api-lib/pyproject.toml
@@ -131,7 +131,7 @@ protobuf = ">=5.29.6,<6.0.0"
 langchain-experimental = "^0.4.0"
 nltk = "^3.9.2"
 starlette = ">=0.49.1"
-langgraph-checkpoint = ">=3.0.0,<4.0.0"
+langgraph-checkpoint = ">=4.0.0,<4.1.0"
 
 [tool.pytest.ini_options]
 log_cli = true
diff --git a/libs/rag-core-api/pyproject.toml b/libs/rag-core-api/pyproject.toml
index 55c10ee2..a1d150d1 100644
--- a/libs/rag-core-api/pyproject.toml
+++ b/libs/rag-core-api/pyproject.toml
@@ -43,7 +43,7 @@ langfuse = "^3.10.1"
 marshmallow = "^3.26.2"
 langchain-text-splitters = "^1.0.0"
 starlette = ">=0.49.1"
-langgraph-checkpoint = ">=3.0.0,<4.0.0"
+langgraph-checkpoint = ">=4.0.0,<4.1.0"
 
 [tool.poetry.group.test.dependencies]
 pytest = "^8.3.5"
diff --git a/libs/rag-core-lib/poetry.lock b/libs/rag-core-lib/poetry.lock
index 6bf8ac88..11725ab6 100644
--- a/libs/rag-core-lib/poetry.lock
+++ b/libs/rag-core-lib/poetry.lock
@@ -1976,14 +1976,14 @@ xxhash = ">=3.5.0"
 
 [[package]]
 name = "langgraph-checkpoint"
-version = "3.0.1"
+version = "4.0.1"
 description = "Library with base interfaces for LangGraph checkpoint savers."
 optional = false
 python-versions = ">=3.10"
 groups = ["main"]
 files = [
-    {file = "langgraph_checkpoint-3.0.1-py3-none-any.whl", hash = "sha256:9b04a8d0edc0474ce4eaf30c5d731cee38f11ddff50a6177eead95b5c4e4220b"},
-    {file = "langgraph_checkpoint-3.0.1.tar.gz", hash = "sha256:59222f875f85186a22c494aedc65c4e985a3df27e696e5016ba0b98a5ed2cee0"},
+    {file = "langgraph_checkpoint-4.0.1-py3-none-any.whl", hash = "sha256:e3adcd7a0e0166f3b48b8cf508ce0ea366e7420b5a73aa81289888727769b034"},
+    {file = "langgraph_checkpoint-4.0.1.tar.gz", hash = "sha256:b433123735df11ade28829e40ce25b9be614930cd50245ff2af60629234befd9"},
 ]
 
 [package.dependencies]
@@ -4410,4 +4410,4 @@ cffi = ["cffi (>=1.11)"]
 [metadata]
 lock-version = "2.1"
 python-versions = "^3.13"
-content-hash = "5c5ae5e62c364d690c4f43a974b2116067379c0abab7d238327bd444fa187ee9"
+content-hash = "f335ab16d179e5acfbb23ba35ceb1c6e34140b494eebb6dfcc1b74dd5bf1b86b"
diff --git a/libs/rag-core-lib/pyproject.toml b/libs/rag-core-lib/pyproject.toml
index a54a9794..3914d2c6 100644
--- a/libs/rag-core-lib/pyproject.toml
+++ b/libs/rag-core-lib/pyproject.toml
@@ -32,7 +32,7 @@ deprecated = "^1.2.18"
 openai = "^1.77.0"
 langchain-core = "^1.0.7"
 langchain-openai = "^1.0.3"
-langgraph-checkpoint = ">=3.0.0,<4.0.0"
+langgraph-checkpoint = ">=4.0.0,<4.1.0"
 boto3 = "^1.38.10"
 filelock = "^3.20.3"
 marshmallow = "^3.26.2"