diff --git a/poetry.lock b/poetry.lock
index 75ddb27..f463d93 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -2251,13 +2251,13 @@ test = ["pytest (>=7.2)", "pytest-cov (>=4.0)"]
 
 [[package]]
 name = "nltk"
-version = "3.8.1"
+version = "3.9.1"
 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-3.9.1-py3-none-any.whl", hash = "sha256:4fa26829c5b00715afe3061398a8989dc643b92ce7dd93fb4585a70930d168a1"},
+    {file = "nltk-3.9.1.tar.gz", hash = "sha256:87d127bd3de4bd89a4f81265e5fa59cb1b199b27440175370f7417d2bc7ae868"},
 ]
 
 [package.dependencies]
@@ -4664,4 +4664,4 @@ test = ["big-O", "jaraco.functools", "jaraco.itertools", "jaraco.test", "more-it
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.9"
-content-hash = "6393b816f6abb9bd43f3cbf51ae2c260eba2b6e5d139d9d5c6bab40d8bcfa37e"
+content-hash = "b6b7730f3fdcb5a1ac4ad047a908dad1e09542f155e3c31d389275782339d0e4"
diff --git a/pyproject.toml b/pyproject.toml
index eab874a..6dd9c0d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,7 +11,7 @@ accelerate = "0.28.0"
 evaluate = "0.4.1"
 matplotlib = "^3.7.0"
 plotly = "5.22.0"
-nltk = "3.8.1"
+nltk = "3.9.1"
 numpy = "^1.24.0"
 pandas = "^2.0"
 scikit-learn = "1.4.1.post1"