diff --git a/wren-ai-service/poetry.lock b/wren-ai-service/poetry.lock
index 52c14737d0..d9d7676fe2 100644
--- a/wren-ai-service/poetry.lock
+++ b/wren-ai-service/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 2.3.2 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 = "aiodns"
@@ -3035,7 +3035,7 @@ files = [
 
 [package.dependencies]
 attrs = ">=22.2.0"
-jsonschema-specifications = ">=2023.3.6"
+jsonschema-specifications = ">=2023.03.6"
 referencing = ">=0.28.4"
 rpds-py = ">=0.7.1"
 
@@ -3961,14 +3961,14 @@ test-extras = ["pytest-mpl", "pytest-randomly"]
 
 [[package]]
 name = "nltk"
-version = "3.9.3"
+version = "3.9.4"
 description = "Natural Language Toolkit"
 optional = false
 python-versions = ">=3.10"
 groups = ["dev"]
 files = [
-    {file = "nltk-3.9.3-py3-none-any.whl", hash = "sha256:60b3db6e9995b3dd976b1f0fa7dec22069b2677e759c28eb69b62ddd44870522"},
-    {file = "nltk-3.9.3.tar.gz", hash = "sha256:cb5945d6424a98d694c2b9a0264519fab4363711065a46aa0ae7a2195b92e71f"},
+    {file = "nltk-3.9.4-py3-none-any.whl", hash = "sha256:f2fa301c3a12718ce4a0e9305c5675299da5ad9e26068218b69d692fda84828f"},
+    {file = "nltk-3.9.4.tar.gz", hash = "sha256:ed03bc098a40481310320808b2db712d95d13ca65b27372f8a403949c8b523d0"},
 ]
 
 [package.dependencies]
@@ -6151,10 +6151,10 @@ files = [
 ]
 
 [package.dependencies]
-botocore = ">=1.37.4,<2.0a0"
+botocore = ">=1.37.4,<2.0a.0"
 
 [package.extras]
-crt = ["botocore[crt] (>=1.37.4,<2.0a0)"]
+crt = ["botocore[crt] (>=1.37.4,<2.0a.0)"]
 
 [[package]]
 name = "sentry-sdk"
@@ -7040,7 +7040,6 @@ files = [
     {file = "watchdog-4.0.2-py3-none-win_ia64.whl", hash = "sha256:baececaa8edff42cd16558a639a9b0ddf425f93d892e8392a56bf904f5eff22c"},
     {file = "watchdog-4.0.2.tar.gz", hash = "sha256:b4dfbb6c49221be4535623ea4474a4d6ee0a9cef4a80b20c28db4d858b64e270"},
 ]
-markers = {eval = "platform_system != \"Darwin\""}
 
 [package.extras]
 watchmedo = ["PyYAML (>=3.10)"]
@@ -7792,4 +7791,4 @@ testing = ["coverage[toml]", "zope.event", "zope.testing"]
 [metadata]
 lock-version = "2.1"
 python-versions = ">=3.12.*, <3.13"
-content-hash = "54012d2c174eed74b9673caa46a1d118d4773ef45625221122bf016148aadaa1"
+content-hash = "6485cbf772525549b85fc88f8df774b7d48228a693445f060e104871f82f2160"
diff --git a/wren-ai-service/pyproject.toml b/wren-ai-service/pyproject.toml
index da82a0f92b..026ae6adcd 100644
--- a/wren-ai-service/pyproject.toml
+++ b/wren-ai-service/pyproject.toml
@@ -54,7 +54,7 @@ requests = "^2.32.4"
 extra-streamlit-components = "^0.1.71"
 deepeval = "^3.0.0"
 tomlkit = "^0.13.0"
-nltk = "^3.9.3"
+nltk = "^3.9.4"
 psycopg2 = "^2.9.10"
 
 [tool.poetry.group.eval.dependencies]