diff --git a/poetry.lock b/poetry.lock
index 9ae231bae9..326e7a1730 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -3392,15 +3392,15 @@ markers = {main = "python_version <= \"3.13.0\" and (extra == \"vector-db-based\
 
 [[package]]
 name = "nltk"
-version = "3.9.1"
+version = "3.9.4"
 description = "Natural Language Toolkit"
 optional = true
-python-versions = ">=3.8"
+python-versions = ">=3.10"
 groups = ["main"]
 markers = "python_version <= \"3.13.0\""
 files = [
-    {file = "nltk-3.9.1-py3-none-any.whl", hash = "sha256:4fa26829c5b00715afe3061398a8989dc643b92ce7dd93fb4585a70930d168a1"},
-    {file = "nltk-3.9.1.tar.gz", hash = "sha256:87d127bd3de4bd89a4f81265e5fa59cb1b199b27440175370f7417d2bc7ae868"},
+    {file = "nltk-3.9.4-py3-none-any.whl", hash = "sha256:f2fa301c3a12718ce4a0e9305c5675299da5ad9e26068218b69d692fda84828f"},
+    {file = "nltk-3.9.4.tar.gz", hash = "sha256:ed03bc098a40481310320808b2db712d95d13ca65b27372f8a403949c8b523d0"},
 ]
 
 [package.dependencies]
@@ -7173,4 +7173,4 @@ vector-db-based = ["cohere", "langchain_community", "langchain_core", "langchain
 [metadata]
 lock-version = "2.1"
 python-versions = ">=3.10,<3.14"
-content-hash = "7bd20be9acbc22b3108cdb8b6b94da4038dd052f20cece071e3d27a68ffd27fe"
+content-hash = "06a32fa8df77fa4dc579ab83ee8019086d39d79c48b3585e46d5b56e9521e7a2"
diff --git a/pyproject.toml b/pyproject.toml
index 0e74e3a23b..7eb09b2efa 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -76,7 +76,7 @@ python-calamine = { version = "0.2.3", optional = true }  # TODO: Remove if unus
 openpyxl = { version = "^3.1.0", optional = true }
 python-snappy = { version = "0.7.3", optional = true }  # TODO: remove if unused
 tiktoken = { version = "0.8.0", optional = true }
-nltk = { version = "3.9.1", optional = true }
+nltk = { version = "3.9.4", optional = true }
 unstructured = { version = "0.10.27", extras = ["docx", "pptx"], optional = true }
 "unstructured.pytesseract" = { version = ">=0.3.12", optional = true }
 pyjwt = "^2.8.0"