diff --git a/pyproject.toml b/pyproject.toml
index 47449ac..c01919b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,7 +23,7 @@ version="0.0.0-dev"
 
 [dependency-groups]
 dev = [
-  "pytest >=8.1.1,<9",
+  "pytest >=9.0.1,<10",
   "pandas",
   "scikit-learn",
   "nltk",
diff --git a/uv.lock b/uv.lock
index 627d823..b552fa4 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1619,17 +1619,18 @@ wheels = [
 
 [[package]]
 name = "pytest"
-version = "8.3.5"
+version = "9.0.1"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "colorama", marker = "sys_platform == 'win32'" },
     { name = "iniconfig" },
     { name = "packaging" },
     { name = "pluggy" },
+    { name = "pygments" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/ae/3c/c9d525a414d506893f0cd8a8d0de7706446213181570cdbd766691164e40/pytest-8.3.5.tar.gz", hash = "sha256:f4efe70cc14e511565ac476b57c279e12a855b11f48f212af1080ef2263d3845", size = 1450891, upload-time = "2025-03-02T12:54:54.503Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/07/56/f013048ac4bc4c1d9be45afd4ab209ea62822fb1598f40687e6bf45dcea4/pytest-9.0.1.tar.gz", hash = "sha256:3e9c069ea73583e255c3b21cf46b8d3c56f6e3a1a8f6da94ccb0fcf57b9d73c8", size = 1564125, upload-time = "2025-11-12T13:05:09.333Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/30/3d/64ad57c803f1fa1e963a7946b6e0fea4a70df53c1a7fed304586539c2bac/pytest-8.3.5-py3-none-any.whl", hash = "sha256:c69214aa47deac29fad6c2a4f590b9c4a9fdb16a403176fe154b79c0b4d4d820", size = 343634, upload-time = "2025-03-02T12:54:52.069Z" },
+    { url = "https://files.pythonhosted.org/packages/0b/8b/6300fb80f858cda1c51ffa17075df5d846757081d11ab4aa35cef9e6258b/pytest-9.0.1-py3-none-any.whl", hash = "sha256:67be0030d194df2dfa7b556f2e56fb3c3315bd5c8822c6951162b92b32ce7dad", size = 373668, upload-time = "2025-11-12T13:05:07.379Z" },
 ]
 
 [[package]]
@@ -2298,7 +2299,7 @@ dev = [
     { name = "pandas" },
     { name = "pre-commit", specifier = ">=4.3.0" },
     { name = "pyarrow" },
-    { name = "pytest", specifier = ">=8.1.1,<9" },
+    { name = "pytest", specifier = ">=9.0.1,<10" },
     { name = "ruff", specifier = ">=0.14.3" },
     { name = "scikit-learn" },
     { name = "unidecode" },