diff --git a/poetry.lock b/poetry.lock
index 187b6c4aa..2a5ed9080 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 2.1.4 and should not be changed by hand.
+# This file is automatically @generated by Poetry 2.2.1 and should not be changed by hand.
 
 [[package]]
 name = "absl-py"
@@ -1098,7 +1098,7 @@ description = "Lightweight in-process concurrent programming"
 optional = false
 python-versions = ">=3.9"
 groups = ["main", "eval"]
-markers = "(platform_machine == \"aarch64\" or platform_machine == \"ppc64le\" or platform_machine == \"x86_64\" or platform_machine == \"amd64\" or platform_machine == \"AMD64\" or platform_machine == \"win32\" or platform_machine == \"WIN32\") and python_version < \"3.14\""
+markers = "python_version < \"3.14\" and (platform_machine == \"aarch64\" or platform_machine == \"ppc64le\" or platform_machine == \"x86_64\" or platform_machine == \"amd64\" or platform_machine == \"AMD64\" or platform_machine == \"win32\" or platform_machine == \"WIN32\")"
 files = [
     {file = "greenlet-3.2.3-cp310-cp310-macosx_11_0_universal2.whl", hash = "sha256:1afd685acd5597349ee6d7a88a8bec83ce13c106ac78c196ee9dde7c04fe87be"},
     {file = "greenlet-3.2.3-cp310-cp310-manylinux2014_aarch64.manylinux_2_17_aarch64.whl", hash = "sha256:761917cac215c61e9dc7324b2606107b3b292a8349bdebb31503ab4de3f559ac"},
@@ -2641,7 +2641,7 @@ files = [
     {file = "nvidia_cublas_cu12-12.6.4.1-py3-none-manylinux_2_27_aarch64.whl", hash = "sha256:235f728d6e2a409eddf1df58d5b0921cf80cfa9e72b9f2775ccb7b4a87984668"},
     {file = "nvidia_cublas_cu12-12.6.4.1-py3-none-win_amd64.whl", hash = "sha256:9e4fa264f4d8a4eb0cdbd34beadc029f453b3bafae02401e999cf3d5a5af75f8"},
 ]
-markers = {main = "platform_machine == \"x86_64\" and extra == \"all\" and platform_system == \"Linux\"", eval = "platform_machine == \"x86_64\" and platform_system == \"Linux\""}
+markers = {main = "platform_system == \"Linux\" and platform_machine == \"x86_64\" and extra == \"all\"", eval = "platform_system == \"Linux\" and platform_machine == \"x86_64\""}
 
 [[package]]
 name = "nvidia-cuda-cupti-cu12"
@@ -2657,7 +2657,7 @@ files = [
     {file = "nvidia_cuda_cupti_cu12-12.6.80-py3-none-manylinux2014_x86_64.whl", hash = "sha256:a3eff6cdfcc6a4c35db968a06fcadb061cbc7d6dde548609a941ff8701b98b73"},
     {file = "nvidia_cuda_cupti_cu12-12.6.80-py3-none-win_amd64.whl", hash = "sha256:bbe6ae76e83ce5251b56e8c8e61a964f757175682bbad058b170b136266ab00a"},
 ]
-markers = {main = "platform_machine == \"x86_64\" and extra == \"all\" and platform_system == \"Linux\"", eval = "platform_machine == \"x86_64\" and platform_system == \"Linux\""}
+markers = {main = "platform_system == \"Linux\" and platform_machine == \"x86_64\" and extra == \"all\"", eval = "platform_system == \"Linux\" and platform_machine == \"x86_64\""}
 
 [[package]]
 name = "nvidia-cuda-nvrtc-cu12"
@@ -2671,7 +2671,7 @@ files = [
     {file = "nvidia_cuda_nvrtc_cu12-12.6.77-py3-none-manylinux2014_x86_64.whl", hash = "sha256:35b0cc6ee3a9636d5409133e79273ce1f3fd087abb0532d2d2e8fff1fe9efc53"},
     {file = "nvidia_cuda_nvrtc_cu12-12.6.77-py3-none-win_amd64.whl", hash = "sha256:f7007dbd914c56bd80ea31bc43e8e149da38f68158f423ba845fc3292684e45a"},
 ]
-markers = {main = "platform_machine == \"x86_64\" and extra == \"all\" and platform_system == \"Linux\"", eval = "platform_machine == \"x86_64\" and platform_system == \"Linux\""}
+markers = {main = "platform_system == \"Linux\" and platform_machine == \"x86_64\" and extra == \"all\"", eval = "platform_system == \"Linux\" and platform_machine == \"x86_64\""}
 
 [[package]]
 name = "nvidia-cuda-runtime-cu12"
@@ -2687,7 +2687,7 @@ files = [
     {file = "nvidia_cuda_runtime_cu12-12.6.77-py3-none-manylinux2014_x86_64.whl", hash = "sha256:a84d15d5e1da416dd4774cb42edf5e954a3e60cc945698dc1d5be02321c44dc8"},
     {file = "nvidia_cuda_runtime_cu12-12.6.77-py3-none-win_amd64.whl", hash = "sha256:86c58044c824bf3c173c49a2dbc7a6c8b53cb4e4dca50068be0bf64e9dab3f7f"},
 ]
-markers = {main = "platform_machine == \"x86_64\" and extra == \"all\" and platform_system == \"Linux\"", eval = "platform_machine == \"x86_64\" and platform_system == \"Linux\""}
+markers = {main = "platform_system == \"Linux\" and platform_machine == \"x86_64\" and extra == \"all\"", eval = "platform_system == \"Linux\" and platform_machine == \"x86_64\""}
 
 [[package]]
 name = "nvidia-cudnn-cu12"
@@ -2701,7 +2701,7 @@ files = [
     {file = "nvidia_cudnn_cu12-9.5.1.17-py3-none-manylinux_2_28_x86_64.whl", hash = "sha256:30ac3869f6db17d170e0e556dd6cc5eee02647abc31ca856634d5a40f82c15b2"},
     {file = "nvidia_cudnn_cu12-9.5.1.17-py3-none-win_amd64.whl", hash = "sha256:d7af0f8a4f3b4b9dbb3122f2ef553b45694ed9c384d5a75bab197b8eefb79ab8"},
 ]
-markers = {main = "platform_machine == \"x86_64\" and extra == \"all\" and platform_system == \"Linux\"", eval = "platform_machine == \"x86_64\" and platform_system == \"Linux\""}
+markers = {main = "platform_system == \"Linux\" and platform_machine == \"x86_64\" and extra == \"all\"", eval = "platform_system == \"Linux\" and platform_machine == \"x86_64\""}
 
 [package.dependencies]
 nvidia-cublas-cu12 = "*"
@@ -2720,7 +2720,7 @@ files = [
     {file = "nvidia_cufft_cu12-11.3.0.4-py3-none-manylinux2014_x86_64.whl", hash = "sha256:768160ac89f6f7b459bee747e8d175dbf53619cfe74b2a5636264163138013ca"},
     {file = "nvidia_cufft_cu12-11.3.0.4-py3-none-win_amd64.whl", hash = "sha256:6048ebddfb90d09d2707efb1fd78d4e3a77cb3ae4dc60e19aab6be0ece2ae464"},
 ]
-markers = {main = "platform_machine == \"x86_64\" and extra == \"all\" and platform_system == \"Linux\"", eval = "platform_machine == \"x86_64\" and platform_system == \"Linux\""}
+markers = {main = "platform_system == \"Linux\" and platform_machine == \"x86_64\" and extra == \"all\"", eval = "platform_system == \"Linux\" and platform_machine == \"x86_64\""}
 
 [package.dependencies]
 nvidia-nvjitlink-cu12 = "*"
@@ -2736,7 +2736,7 @@ files = [
     {file = "nvidia_cufile_cu12-1.11.1.6-py3-none-manylinux2014_x86_64.manylinux_2_17_x86_64.whl", hash = "sha256:cc23469d1c7e52ce6c1d55253273d32c565dd22068647f3aa59b3c6b005bf159"},
     {file = "nvidia_cufile_cu12-1.11.1.6-py3-none-manylinux_2_27_aarch64.whl", hash = "sha256:8f57a0051dcf2543f6dc2b98a98cb2719c37d3cee1baba8965d57f3bbc90d4db"},
 ]
-markers = {main = "platform_machine == \"x86_64\" and extra == \"all\" and platform_system == \"Linux\"", eval = "platform_machine == \"x86_64\" and platform_system == \"Linux\""}
+markers = {main = "platform_system == \"Linux\" and platform_machine == \"x86_64\" and extra == \"all\"", eval = "platform_system == \"Linux\" and platform_machine == \"x86_64\""}
 
 [[package]]
 name = "nvidia-curand-cu12"
@@ -2752,7 +2752,7 @@ files = [
     {file = "nvidia_curand_cu12-10.3.7.77-py3-none-manylinux_2_27_aarch64.whl", hash = "sha256:7b2ed8e95595c3591d984ea3603dd66fe6ce6812b886d59049988a712ed06b6e"},
     {file = "nvidia_curand_cu12-10.3.7.77-py3-none-win_amd64.whl", hash = "sha256:6d6d935ffba0f3d439b7cd968192ff068fafd9018dbf1b85b37261b13cfc9905"},
 ]
-markers = {main = "platform_machine == \"x86_64\" and extra == \"all\" and platform_system == \"Linux\"", eval = "platform_machine == \"x86_64\" and platform_system == \"Linux\""}
+markers = {main = "platform_system == \"Linux\" and platform_machine == \"x86_64\" and extra == \"all\"", eval = "platform_system == \"Linux\" and platform_machine == \"x86_64\""}
 
 [[package]]
 name = "nvidia-cusolver-cu12"
@@ -2768,7 +2768,7 @@ files = [
     {file = "nvidia_cusolver_cu12-11.7.1.2-py3-none-manylinux_2_27_aarch64.whl", hash = "sha256:dbbe4fc38ec1289c7e5230e16248365e375c3673c9c8bac5796e2e20db07f56e"},
     {file = "nvidia_cusolver_cu12-11.7.1.2-py3-none-win_amd64.whl", hash = "sha256:6813f9d8073f555444a8705f3ab0296d3e1cb37a16d694c5fc8b862a0d8706d7"},
 ]
-markers = {main = "platform_machine == \"x86_64\" and extra == \"all\" and platform_system == \"Linux\"", eval = "platform_machine == \"x86_64\" and platform_system == \"Linux\""}
+markers = {main = "platform_system == \"Linux\" and platform_machine == \"x86_64\" and extra == \"all\"", eval = "platform_system == \"Linux\" and platform_machine == \"x86_64\""}
 
 [package.dependencies]
 nvidia-cublas-cu12 = "*"
@@ -2789,7 +2789,7 @@ files = [
     {file = "nvidia_cusparse_cu12-12.5.4.2-py3-none-manylinux2014_x86_64.whl", hash = "sha256:23749a6571191a215cb74d1cdbff4a86e7b19f1200c071b3fcf844a5bea23a2f"},
     {file = "nvidia_cusparse_cu12-12.5.4.2-py3-none-win_amd64.whl", hash = "sha256:4acb8c08855a26d737398cba8fb6f8f5045d93f82612b4cfd84645a2332ccf20"},
 ]
-markers = {main = "platform_machine == \"x86_64\" and extra == \"all\" and platform_system == \"Linux\"", eval = "platform_machine == \"x86_64\" and platform_system == \"Linux\""}
+markers = {main = "platform_system == \"Linux\" and platform_machine == \"x86_64\" and extra == \"all\"", eval = "platform_system == \"Linux\" and platform_machine == \"x86_64\""}
 
 [package.dependencies]
 nvidia-nvjitlink-cu12 = "*"
@@ -2806,7 +2806,7 @@ files = [
     {file = "nvidia_cusparselt_cu12-0.6.3-py3-none-manylinux2014_x86_64.whl", hash = "sha256:e5c8a26c36445dd2e6812f1177978a24e2d37cacce7e090f297a688d1ec44f46"},
     {file = "nvidia_cusparselt_cu12-0.6.3-py3-none-win_amd64.whl", hash = "sha256:3b325bcbd9b754ba43df5a311488fca11a6b5dc3d11df4d190c000cf1a0765c7"},
 ]
-markers = {main = "platform_machine == \"x86_64\" and extra == \"all\" and platform_system == \"Linux\"", eval = "platform_machine == \"x86_64\" and platform_system == \"Linux\""}
+markers = {main = "platform_system == \"Linux\" and platform_machine == \"x86_64\" and extra == \"all\"", eval = "platform_system == \"Linux\" and platform_machine == \"x86_64\""}
 
 [[package]]
 name = "nvidia-nccl-cu12"
@@ -2819,7 +2819,7 @@ files = [
     {file = "nvidia_nccl_cu12-2.26.2-py3-none-manylinux2014_aarch64.manylinux_2_17_aarch64.whl", hash = "sha256:5c196e95e832ad30fbbb50381eb3cbd1fadd5675e587a548563993609af19522"},
     {file = "nvidia_nccl_cu12-2.26.2-py3-none-manylinux2014_x86_64.manylinux_2_17_x86_64.whl", hash = "sha256:694cf3879a206553cc9d7dbda76b13efaf610fdb70a50cba303de1b0d1530ac6"},
 ]
-markers = {main = "platform_machine == \"x86_64\" and extra == \"all\" and platform_system == \"Linux\"", eval = "platform_machine == \"x86_64\" and platform_system == \"Linux\""}
+markers = {main = "platform_system == \"Linux\" and platform_machine == \"x86_64\" and extra == \"all\"", eval = "platform_system == \"Linux\" and platform_machine == \"x86_64\""}
 
 [[package]]
 name = "nvidia-nvjitlink-cu12"
@@ -2833,7 +2833,7 @@ files = [
     {file = "nvidia_nvjitlink_cu12-12.6.85-py3-none-manylinux2014_aarch64.manylinux_2_17_aarch64.whl", hash = "sha256:cf4eaa7d4b6b543ffd69d6abfb11efdeb2db48270d94dfd3a452c24150829e41"},
     {file = "nvidia_nvjitlink_cu12-12.6.85-py3-none-win_amd64.whl", hash = "sha256:e61120e52ed675747825cdd16febc6a0730537451d867ee58bee3853b1b13d1c"},
 ]
-markers = {main = "platform_machine == \"x86_64\" and extra == \"all\" and platform_system == \"Linux\"", eval = "platform_machine == \"x86_64\" and platform_system == \"Linux\""}
+markers = {main = "platform_system == \"Linux\" and platform_machine == \"x86_64\" and extra == \"all\"", eval = "platform_system == \"Linux\" and platform_machine == \"x86_64\""}
 
 [[package]]
 name = "nvidia-nvtx-cu12"
@@ -2849,7 +2849,7 @@ files = [
     {file = "nvidia_nvtx_cu12-12.6.77-py3-none-manylinux2014_x86_64.whl", hash = "sha256:6574241a3ec5fdc9334353ab8c479fe75841dbe8f4532a8fc97ce63503330ba1"},
     {file = "nvidia_nvtx_cu12-12.6.77-py3-none-win_amd64.whl", hash = "sha256:2fb11a4af04a5e6c84073e6404d26588a34afd35379f0855a99797897efa75c0"},
 ]
-markers = {main = "platform_machine == \"x86_64\" and extra == \"all\" and platform_system == \"Linux\"", eval = "platform_machine == \"x86_64\" and platform_system == \"Linux\""}
+markers = {main = "platform_system == \"Linux\" and platform_machine == \"x86_64\" and extra == \"all\"", eval = "platform_system == \"Linux\" and platform_machine == \"x86_64\""}
 
 [[package]]
 name = "ollama"
@@ -4003,14 +4003,14 @@ files = [
 
 [[package]]
 name = "qdrant-client"
-version = "1.14.3"
+version = "1.16.2"
 description = "Client library for the Qdrant vector search engine"
 optional = false
-python-versions = ">=3.9"
+python-versions = ">=3.10"
 groups = ["main", "eval"]
 files = [
-    {file = "qdrant_client-1.14.3-py3-none-any.whl", hash = "sha256:66faaeae00f9b5326946851fe4ca4ddb1ad226490712e2f05142266f68dfc04d"},
-    {file = "qdrant_client-1.14.3.tar.gz", hash = "sha256:bb899e3e065b79c04f5e47053d59176150c0a5dabc09d7f476c8ce8e52f4d281"},
+    {file = "qdrant_client-1.16.2-py3-none-any.whl", hash = "sha256:442c7ef32ae0f005e88b5d3c0783c63d4912b97ae756eb5e052523be682f17d3"},
+    {file = "qdrant_client-1.16.2.tar.gz", hash = "sha256:ca4ef5f9be7b5eadeec89a085d96d5c723585a391eb8b2be8192919ab63185f0"},
 ]
 markers = {main = "extra == \"all\""}
 
@@ -4018,11 +4018,13 @@ markers = {main = "extra == \"all\""}
 grpcio = ">=1.41.0"
 httpx = {version = ">=0.20.0", extras = ["http2"]}
 numpy = [
-    {version = ">=1.21", markers = "python_version >= \"3.10\" and python_version < \"3.12\""},
+    {version = ">=1.21,<2.3.0", markers = "python_version == \"3.10\""},
+    {version = ">=1.21", markers = "python_version == \"3.11\""},
     {version = ">=1.26", markers = "python_version == \"3.12\""},
-    {version = ">=2.1.0", markers = "python_version >= \"3.13\""},
+    {version = ">=2.1.0", markers = "python_version == \"3.13\""},
+    {version = ">=2.3.0", markers = "python_version >= \"3.14\""},
 ]
-portalocker = ">=2.7.0,<3.0.0"
+portalocker = ">=2.7.0,<4.0"
 protobuf = ">=3.20.0"
 pydantic = ">=1.10.8,<2.0.dev0 || >2.2.0"
 urllib3 = ">=1.26.14,<3"
@@ -5441,7 +5443,7 @@ files = [
     {file = "triton-3.3.1-cp313-cp313t-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl", hash = "sha256:a3198adb9d78b77818a5388bff89fa72ff36f9da0bc689db2f0a651a67ce6a42"},
     {file = "triton-3.3.1-cp39-cp39-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl", hash = "sha256:f6139aeb04a146b0b8e0fbbd89ad1e65861c57cfed881f21d62d3cb94a36bab7"},
 ]
-markers = {main = "platform_machine == \"x86_64\" and extra == \"all\" and platform_system == \"Linux\"", eval = "platform_machine == \"x86_64\" and platform_system == \"Linux\""}
+markers = {main = "platform_system == \"Linux\" and platform_machine == \"x86_64\" and extra == \"all\"", eval = "platform_system == \"Linux\" and platform_machine == \"x86_64\""}
 
 [package.dependencies]
 setuptools = ">=40.8.0"
@@ -5650,7 +5652,7 @@ description = "Fast implementation of asyncio event loop on top of libuv"
 optional = false
 python-versions = ">=3.8.0"
 groups = ["main"]
-markers = "platform_python_implementation != \"PyPy\" and sys_platform != \"win32\" and sys_platform != \"cygwin\""
+markers = "sys_platform != \"win32\" and sys_platform != \"cygwin\" and platform_python_implementation != \"PyPy\""
 files = [
     {file = "uvloop-0.21.0-cp310-cp310-macosx_10_9_universal2.whl", hash = "sha256:ec7e6b09a6fdded42403182ab6b832b71f4edaf7f37a9a0e371a01db5f0cb45f"},
     {file = "uvloop-0.21.0-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:196274f2adb9689a289ad7d65700d37df0c0930fd8e4e743fa4834e850d7719d"},
@@ -6242,4 +6244,4 @@ tree-mem = ["neo4j", "schedule"]
 [metadata]
 lock-version = "2.1"
 python-versions = ">=3.10,<4.0"
-content-hash = "dab8e54c6f4c51597adbd0fa34be7a8adb3b3a9c733508f3cc2b93c0ed434ec1"
+content-hash = "22bfcac5ed0be1e3aea294e3da96ff1a4bd9d7b62865ad827e1508f5ade6b708"
diff --git a/pyproject.toml b/pyproject.toml
index 3c2eecf18..f869f7642 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -119,7 +119,7 @@ all = [
     # We kindof don't want users to install them.
     "torch (>=2.7.1,<3.0.0)",
     "sentence-transformers (>=4.1.0,<5.0.0)",
-    "qdrant-client (>=1.14.2,<2.0.0)",
+    "qdrant-client (>=1.16.0,<2.0.0)",
     "volcengine-python-sdk (>=4.0.4,<5.0.0)",
     "nltk (>=3.9.1,<4.0.0)",
     "rake-nltk (>=1.0.6,<1.1.0)",
diff --git a/src/memos/chunkers/sentence_chunker.py b/src/memos/chunkers/sentence_chunker.py
index 080962482..4757301c7 100644
--- a/src/memos/chunkers/sentence_chunker.py
+++ b/src/memos/chunkers/sentence_chunker.py
@@ -20,12 +20,25 @@ def __init__(self, config: SentenceChunkerConfig):
         from chonkie import SentenceChunker as ChonkieSentenceChunker
 
         self.config = config
-        self.chunker = ChonkieSentenceChunker(
-            tokenizer_or_token_counter=config.tokenizer_or_token_counter,
-            chunk_size=config.chunk_size,
-            chunk_overlap=config.chunk_overlap,
-            min_sentences_per_chunk=config.min_sentences_per_chunk,
-        )
+        
+        # Try new API first (v1.4.0+)
+        try:
+            self.chunker = ChonkieSentenceChunker(
+                tokenizer=config.tokenizer_or_token_counter,
+                chunk_size=config.chunk_size,
+                chunk_overlap=config.chunk_overlap,
+                min_sentences_per_chunk=config.min_sentences_per_chunk,
+            )
+        except (TypeError, AttributeError) as e:
+            # Fallback to old API (<v1.4.0)
+            logger.debug(f"Falling back to old chonkie API: {e}")
+            self.chunker = ChonkieSentenceChunker(
+                tokenizer_or_token_counter=config.tokenizer_or_token_counter,
+                chunk_size=config.chunk_size,
+                chunk_overlap=config.chunk_overlap,
+                min_sentences_per_chunk=config.min_sentences_per_chunk,
+            )
+        
         logger.info(f"Initialized SentenceChunker with config: {config}")
 
     def chunk(self, text: str) -> list[str] | list[Chunk]:
diff --git a/src/memos/mem_os/core.py b/src/memos/mem_os/core.py
index e7f01ec3e..22cd0e9cb 100644
--- a/src/memos/mem_os/core.py
+++ b/src/memos/mem_os/core.py
@@ -2,7 +2,7 @@
 import os
 import time
 
-from datetime import datetime
+from datetime import datetime, timezone
 from pathlib import Path
 from threading import Lock
 from typing import Any, Literal
@@ -192,7 +192,7 @@ def _register_chat_history(
         self.chat_history_manager[user_id] = ChatHistory(
             user_id=user_id if user_id is not None else self.user_id,
             session_id=session_id if session_id is not None else self.session_id,
-            created_at=datetime.utcnow(),
+            created_at=datetime.now(timezone.utc),
             total_messages=0,
             chat_history=[],
         )
diff --git a/src/memos/vec_dbs/qdrant.py b/src/memos/vec_dbs/qdrant.py
index 633cd3580..d0853c4af 100644
--- a/src/memos/vec_dbs/qdrant.py
+++ b/src/memos/vec_dbs/qdrant.py
@@ -138,14 +138,14 @@ def search(
             List of search results with distance scores and payloads.
         """
         qdrant_filter = self._dict_to_filter(filter) if filter else None
-        response = self.client.search(
+        response = self.client.query_points(
             collection_name=self.config.collection_name,
-            query_vector=query_vector,
+            query=query_vector,
             limit=top_k,
             query_filter=qdrant_filter,
             with_vectors=True,
             with_payload=True,
-        )
+        ).points
         logger.info(f"Qdrant search completed with {len(response)} results.")
         return [
             VecDBItem(