diff --git a/pyproject.toml b/pyproject.toml
index e082072..076affc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,7 +31,7 @@ mygene = { git = "https://github.com/biothings/mygene.py.git", rev = "master" }
 
 [dependency-groups]
 dev = [
-    "pytest==7.2.0",
+    "pytest==9.0.3",
     "pytest-cov==4.0.0",
     "ruff>=0.15.13",
 ]
diff --git a/uv.lock b/uv.lock
index e072701..fb23686 100644
--- a/uv.lock
+++ b/uv.lock
@@ -250,7 +250,7 @@ requires-dist = [
 
 [package.metadata.requires-dev]
 dev = [
-    { name = "pytest", specifier = "==7.2.0" },
+    { name = "pytest", specifier = "==9.0.3" },
     { name = "pytest-cov", specifier = "==4.0.0" },
     { name = "ruff", specifier = ">=0.15.13" },
 ]
@@ -2495,20 +2495,20 @@ wheels = [
 
 [[package]]
 name = "pytest"
-version = "7.2.0"
+version = "9.0.3"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
-    { name = "attrs" },
     { name = "colorama", marker = "sys_platform == 'win32'" },
     { name = "exceptiongroup", marker = "python_full_version < '3.11'" },
     { name = "iniconfig" },
     { name = "packaging" },
     { name = "pluggy" },
+    { name = "pygments" },
     { name = "tomli", marker = "python_full_version < '3.11'" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/0b/21/055f39bf8861580b43f845f9e8270c7786fe629b2f8562ff09007132e2e7/pytest-7.2.0.tar.gz", hash = "sha256:c4014eb40e10f11f355ad4e3c2fb2c6c6d1919c73f3b5a433de4708202cade59", size = 1300608, upload-time = "2022-10-25T07:58:12.847Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/7d/0d/549bd94f1a0a402dc8cf64563a117c0f3765662e2e668477624baeec44d5/pytest-9.0.3.tar.gz", hash = "sha256:b86ada508af81d19edeb213c681b1d48246c1a91d304c6c81a427674c17eb91c", size = 1572165, upload-time = "2026-04-07T17:16:18.027Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/67/68/a5eb36c3a8540594b6035e6cdae40c1ef1b6a2bfacbecc3d1a544583c078/pytest-7.2.0-py3-none-any.whl", hash = "sha256:892f933d339f068883b6fd5a459f03d85bfcb355e4981e146d2c7616c21fef71", size = 316791, upload-time = "2022-10-25T07:58:10.747Z" },
+    { url = "https://files.pythonhosted.org/packages/d4/24/a372aaf5c9b7208e7112038812994107bc65a84cd00e0354a88c2c77a617/pytest-9.0.3-py3-none-any.whl", hash = "sha256:2c5efc453d45394fdd706ade797c0a81091eccd1d6e4bccfcd476e2b8e0ab5d9", size = 375249, upload-time = "2026-04-07T17:16:16.13Z" },
 ]
 
 [[package]]