diff --git a/pyproject.toml b/pyproject.toml
index 6ca53e9..9c4104a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -12,7 +12,7 @@ dependencies = [
     "click>=8.3,<9.0",
     "docker>=7.1,<8.0",
     "loguru>=0.7,<1.0",
-    "nltk>=3.9,<4.0",
+    "nltk>=3.9.4,<4.0",
     "openai[aiohttp]>=2.15,<3.0",
     "pathspec>=0.12,<1.0",
     "pydantic>=2.12,<3.0",
diff --git a/uv.lock b/uv.lock
index 8312d07..a485f56 100644
--- a/uv.lock
+++ b/uv.lock
@@ -786,7 +786,7 @@ requires-dist = [
     { name = "click", specifier = ">=8.3,<9.0" },
     { name = "docker", specifier = ">=7.1,<8.0" },
     { name = "loguru", specifier = ">=0.7,<1.0" },
-    { name = "nltk", specifier = ">=3.9,<4.0" },
+    { name = "nltk", specifier = ">=3.9.4,<4.0" },
     { name = "openai", extras = ["aiohttp"], specifier = ">=2.15,<3.0" },
     { name = "pathspec", specifier = ">=0.12,<1.0" },
     { name = "pydantic", specifier = ">=2.12,<3.0" },
@@ -2043,7 +2043,7 @@ wheels = [
 
 [[package]]
 name = "nltk"
-version = "3.9.2"
+version = "3.9.4"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "click" },
@@ -2051,9 +2051,9 @@ dependencies = [
     { name = "regex" },
     { name = "tqdm" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/f9/76/3a5e4312c19a028770f86fd7c058cf9f4ec4321c6cf7526bab998a5b683c/nltk-3.9.2.tar.gz", hash = "sha256:0f409e9b069ca4177c1903c3e843eef90c7e92992fa4931ae607da6de49e1419", size = 2887629, upload-time = "2025-10-01T07:19:23.764Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/74/a1/b3b4adf15585a5bc4c357adde150c01ebeeb642173ded4d871e89468767c/nltk-3.9.4.tar.gz", hash = "sha256:ed03bc098a40481310320808b2db712d95d13ca65b27372f8a403949c8b523d0", size = 2946864, upload-time = "2026-03-24T06:13:40.641Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/60/90/81ac364ef94209c100e12579629dc92bf7a709a84af32f8c551b02c07e94/nltk-3.9.2-py3-none-any.whl", hash = "sha256:1e209d2b3009110635ed9709a67a1a3e33a10f799490fa71cf4bec218c11c88a", size = 1513404, upload-time = "2025-10-01T07:19:21.648Z" },
+    { url = "https://files.pythonhosted.org/packages/9d/91/04e965f8e717ba0ab4bdca5c112deeab11c9e750d94c4d4602f050295d39/nltk-3.9.4-py3-none-any.whl", hash = "sha256:f2fa301c3a12718ce4a0e9305c5675299da5ad9e26068218b69d692fda84828f", size = 1552087, upload-time = "2026-03-24T06:13:38.47Z" },
 ]
 
 [[package]]