diff --git a/pyproject.toml b/pyproject.toml
index d449a0bc..d348d3d2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,7 +29,7 @@ dev = [
 dev = [
   "black==26.3.1",
   "numpy",
-  "pytest>=5.30",
+  "pytest>=9.0.3",
   "pytest-xdist",
   "pytest-benchmark",
   "hypothesis==6.60.0"
diff --git a/uv.lock b/uv.lock
index 0d6eb787..15c34fbd 100644
--- a/uv.lock
+++ b/uv.lock
@@ -132,7 +132,7 @@ requires-dist = [
     { name = "black", marker = "extra == 'dev'", specifier = "==26.3.1" },
     { name = "hypothesis", marker = "extra == 'dev'", specifier = "==6.60.0" },
     { name = "numpy", marker = "extra == 'dev'" },
-    { name = "pytest", marker = "extra == 'dev'", specifier = ">=5.30" },
+    { name = "pytest", marker = "extra == 'dev'", specifier = ">=9.0.3" },
     { name = "pytest-benchmark", marker = "extra == 'dev'" },
     { name = "pytest-xdist", marker = "extra == 'dev'" },
 ]
@@ -606,7 +606,7 @@ wheels = [
 
 [[package]]
 name = "pytest"
-version = "8.4.1"
+version = "9.0.3"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "colorama", marker = "sys_platform == 'win32'" },
@@ -617,9 +617,9 @@ dependencies = [
     { name = "pygments" },
     { name = "tomli", marker = "python_full_version < '3.11'" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/08/ba/45911d754e8eba3d5a841a5ce61a65a685ff1798421ac054f85aa8747dfb/pytest-8.4.1.tar.gz", hash = "sha256:7c67fd69174877359ed9371ec3af8a3d2b04741818c51e5e99cc1742251fa93c", size = 1517714, upload-time = "2025-06-18T05:48:06.109Z" }
+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/29/16/c8a903f4c4dffe7a12843191437d7cd8e32751d5de349d45d3fe69544e87/pytest-8.4.1-py3-none-any.whl", hash = "sha256:539c70ba6fcead8e78eebbf1115e8b589e7565830d7d006a8723f19ac8a0afb7", size = 365474, upload-time = "2025-06-18T05:48:03.955Z" },
+    { 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]]