diff --git a/pyproject.toml b/pyproject.toml
index 56099ef..c2aa034 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,7 +15,7 @@ dev = [
   "pre-commit>=3.8",
   "pytest-cov>=4.1",
   "pytest-recording",
-  "pytest~=7.4",
+  "pytest~=9.0",
   "ruff>=0.12",
   "toml-sort",
   "tox-uv>=1.28",
diff --git a/uv.lock b/uv.lock
index bb2d015..9d62db5 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1800,17 +1800,18 @@ wheels = [
 
 [[package]]
 name = "pytest"
-version = "7.4.4"
+version = "9.0.3"
 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/80/1f/9d8e98e4133ffb16c90f3b405c43e38d3abb715bb5d7a63a5a684f7e46a3/pytest-7.4.4.tar.gz", hash = "sha256:2cf0005922c6ace4a3e2ec8b4080eb0d9753fdc93107415332f50ce9e7994280", size = 1357116, upload-time = "2023-12-31T12:00:18.035Z" }
+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/51/ff/f6e8b8f39e08547faece4bd80f89d5a8de68a38b2d179cc1c4490ffa3286/pytest-7.4.4-py3-none-any.whl", hash = "sha256:b090cdf5ed60bf4c45261be03239c2c1c22df034fbffe691abe93cd80cea01d8", size = 325287, upload-time = "2023-12-31T12:00:13.963Z" },
+    { 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]]
@@ -1913,7 +1914,7 @@ dev = [
     { name = "mkdocstrings", extras = ["python"], specifier = ">=0.30" },
     { name = "mypy", specifier = ">=1.17" },
     { name = "pre-commit", specifier = ">=3.8" },
-    { name = "pytest", specifier = "~=7.4" },
+    { name = "pytest", specifier = "~=9.0" },
     { name = "pytest-cov", specifier = ">=4.1" },
     { name = "pytest-recording" },
     { name = "ruff", specifier = ">=0.12" },