diff --git a/pyproject.toml b/pyproject.toml
index a85bc8607..c40aec4c6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,7 +13,7 @@ dependencies = [
   "scipy>=1.14.1",
   "bytecode>=0.17.0",
   "garminconnect==0.3.11",
-  "nltk>=3.10.1",
+  "nltk>=3.10.3",
   "graphviz>=0.21",
   "svgling>=0.5.0",
   "tiktoken>=0.11.0",
diff --git a/uv.lock b/uv.lock
index d6726f3ae..5d509c114 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1002,7 +1002,7 @@ requires-dist = [
     { name = "garminconnect", specifier = "==0.3.11" },
     { name = "graphviz", specifier = ">=0.21" },
     { name = "nb-mypy", specifier = ">=1.0.6" },
-    { name = "nltk", specifier = ">=3.10.1" },
+    { name = "nltk", specifier = ">=3.10.3" },
     { name = "numpy", specifier = ">=2.1.2" },
     { name = "pywasm", specifier = ">=2.2.2" },
     { name = "scipy", specifier = ">=1.14.1" },
@@ -2330,7 +2330,7 @@ wheels = [
 
 [[package]]
 name = "nltk"
-version = "3.10.1"
+version = "3.10.3"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "click" },
@@ -2339,9 +2339,9 @@ dependencies = [
     { name = "regex" },
     { name = "tqdm" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/4a/65/20fa203b28b258fa1222305593ca281e4ad33729c389676bc0d29a8856fd/nltk-3.10.1.tar.gz", hash = "sha256:86a1b41d9ca0d35a2cb72fa60af4c9aaba9fe405b717161fd94cecd69f467007", size = 3098602, upload-time = "2026-08-01T06:25:20.748Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/e0/e6/fe51d2bb1a3b446f59c5c8165999a9fee208bc346af90a7cbf7657bc0d75/nltk-3.10.3.tar.gz", hash = "sha256:bb9327a461c3811c2fa4900e03840401f2126adfb30c0072827c433bd2444ea4", size = 5137152, upload-time = "2026-08-12T23:46:37.258Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/82/47/44ffb39cb0edf6b7164fdd87441044d0a1924f0a2d8470e1ad0f533711e0/nltk-3.10.1-py3-none-any.whl", hash = "sha256:55b8780b6b97732c1c3806d4ae02d46113204b11bfdc19dddb95729f627f8853", size = 1725226, upload-time = "2026-08-01T06:25:08.199Z" },
+    { url = "https://files.pythonhosted.org/packages/b6/6d/ebd2af4640b12168fdf0cb74b6118df2f32a2f62ec7e0c06fbfd80706639/nltk-3.10.3-py3-none-any.whl", hash = "sha256:ff9598a8e20518ee0d557745890cc4435b9578489e2dcbc69c4f81fa060caf7c", size = 1798643, upload-time = "2026-08-12T23:44:13.478Z" },
 ]
 
 [[package]]