diff --git a/poetry.lock b/poetry.lock
index e3a8040..f91a36e 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -478,29 +478,24 @@ files = [
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-    {file = "matplotlib-3.9.1-cp310-cp310-win_amd64.whl", hash = "sha256:421851f4f57350bcf0811edd754a708d2275533e84f52f6760b740766c6747a7"},
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     {file = "matplotlib-3.9.1.tar.gz", hash = "sha256:de06b19b8db95dd33d0dc17c926c7c9ebed9f572074b6fac4f65068a6814d010"},
 ]
 
@@ -531,13 +526,13 @@ files = [
 
 [[package]]
 name = "nltk"
-version = "3.8.1"
+version = "3.9"
 description = "Natural Language Toolkit"
 optional = false
-python-versions = ">=3.7"
+python-versions = ">=3.8"
 files = [
-    {file = "nltk-3.8.1-py3-none-any.whl", hash = "sha256:fd5c9109f976fa86bcadba8f91e47f5e9293bd034474752e92a520f81c93dda5"},
-    {file = "nltk-3.8.1.zip", hash = "sha256:1834da3d0682cba4f2cede2f9aad6b0fafb6461ba451db0efb6f9c39798d64d3"},
+    {file = "nltk-3.9-py3-none-any.whl", hash = "sha256:d17863e861bb33ac617893329d71d06a3dfb7e3eb9ee0b8105281c53944a45a1"},
+    {file = "nltk-3.9.tar.gz", hash = "sha256:e98acac454407fa38b76cccb29208d377731cf7fab68f323754a3681f104531f"},
 ]
 
 [package.dependencies]
@@ -1087,4 +1082,4 @@ watchdog = ["watchdog (>=2.3)"]
 [metadata]
 lock-version = "2.0"
 python-versions = "3.11.*"
-content-hash = "f80a3278e22a8bd4b1047fe51e744db8c626e9b995925cf3a8b4284597802a72"
+content-hash = "e5abb566782f9601a3e48c149f4b25725df88a3d0a5cfd27015f830f5f733169"
diff --git a/pyproject.toml b/pyproject.toml
index f594297..beb5558 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -9,7 +9,7 @@ readme = "README.md"
 [tool.poetry.dependencies]
 python = "3.11.*"
 joblib = "^1.3.2"
-nltk = "^3.8.1"
+nltk = "^3.9"
 psutil = "^5.9.6"
 scikit-learn = "^1.5.0"
 pandas = "^1.0"