diff --git a/pyproject.toml b/pyproject.toml
index 71d7cecdb..24befd4be 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,7 +25,7 @@ dev = [
   "jsonschema>=4.26",
   "mypy>=2.1.0",
   "platformdirs>=4.10.0",
-  "pytest>=8.4.2,<9", # pytest 9 is causing issues with asyncio-cooperative
+  "pytest>=9.1.1,<10", # pytest 9 is causing issues with asyncio-cooperative
   "pytz>=2026.2",
   "pyyaml>=6.0.3",
   "rapidfuzz>=3.14.5",
diff --git a/tests/pyproject.toml b/tests/pyproject.toml
index 4decd2e3d..bb4cc7512 100644
--- a/tests/pyproject.toml
+++ b/tests/pyproject.toml
@@ -24,7 +24,7 @@ dependencies = [
   "pyhelm3 @ git+https://github.com/element-hq/pyhelm3.git@efa509e7501edeb9d04f2a9e688f6e0088305954",
   "pytest-asyncio-cooperative>=0.40.0",
   "pytest-kubernetes>=0.7.2",
-  "pytest>=8.4.2,<9", # pytest 9 breaks pytest-asyncio-cooperative (see #1301)
+  "pytest>=9.1.1,<10", # pytest 9 breaks pytest-asyncio-cooperative (see #1301)
   "python-dotenv>=1.2.2",
   "python-on-whales>=0.80.0",
   "pyyaml>=6.0.3",
diff --git a/uv.lock b/uv.lock
index e06fe07f1..15e727514 100644
--- a/uv.lock
+++ b/uv.lock
@@ -873,7 +873,7 @@ dev = [
     { name = "jsonschema", specifier = ">=4.26" },
     { name = "mypy", specifier = ">=2.1.0" },
     { name = "platformdirs", specifier = ">=4.10.0" },
-    { name = "pytest", specifier = ">=8.4.2,<9" },
+    { name = "pytest", specifier = ">=9.1.1,<10" },
     { name = "pytz", specifier = ">=2026.2" },
     { name = "pyyaml", specifier = ">=6.0.3" },
     { name = "rapidfuzz", specifier = ">=3.14.5" },
@@ -929,7 +929,7 @@ requires-dist = [
     { name = "platformdirs", specifier = ">=4.9.2" },
     { name = "prometheus-client", specifier = ">=0.24.1" },
     { name = "pyhelm3", git = "https://github.com/element-hq/pyhelm3.git?rev=efa509e7501edeb9d04f2a9e688f6e0088305954" },
-    { name = "pytest", specifier = ">=8.4.2,<9" },
+    { name = "pytest", specifier = ">=9.1.1,<10" },
     { name = "pytest-asyncio-cooperative", specifier = ">=0.40.0" },
     { name = "pytest-kubernetes", specifier = ">=0.7.2" },
     { name = "python-dotenv", specifier = ">=1.2.2" },
@@ -2340,7 +2340,7 @@ wheels = [
 
 [[package]]
 name = "pytest"
-version = "8.4.2"
+version = "9.1.1"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "colorama", marker = "sys_platform == 'win32'" },
@@ -2349,9 +2349,9 @@ dependencies = [
     { name = "pluggy" },
     { name = "pygments" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/a3/5c/00a0e072241553e1a7496d638deababa67c5058571567b92a7eaa258397c/pytest-8.4.2.tar.gz", hash = "sha256:86c0d0b93306b961d58d62a4db4879f27fe25513d4b969df351abdddb3c30e01", size = 1519618, upload-time = "2025-09-04T14:34:22.711Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/e4/47/b9efed96c114afcfa3c9d3fe98a76a1d14c74a9e266d397cf6eb64be5e01/pytest-9.1.1.tar.gz", hash = "sha256:1088fbde8f2b49d95a549a195707afa7a76a3ce9bcadc26b6d71f0ffda5fe313", size = 1636369, upload-time = "2026-06-19T10:58:32.857Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/a8/a4/20da314d277121d6534b3a980b29035dcd51e6744bd79075a6ce8fa4eb8d/pytest-8.4.2-py3-none-any.whl", hash = "sha256:872f880de3fc3a5bdc88a11b39c9710c3497a547cfa9320bc3c5e62fbf272e79", size = 365750, upload-time = "2025-09-04T14:34:20.226Z" },
+    { url = "https://files.pythonhosted.org/packages/24/25/1de2678b631f5a49215c6c96fff41ba892b0a34df68d6d80292b1b48aa7f/pytest-9.1.1-py3-none-any.whl", hash = "sha256:37a86b45efb9a47a61a36449063e8e18d0cab3161329fc099eb21783169c4f0c", size = 386536, upload-time = "2026-06-19T10:58:31.347Z" },
 ]
 
 [[package]]
@@ -2365,15 +2365,15 @@ wheels = [
 
 [[package]]
 name = "pytest-kubernetes"
-version = "0.7.2"
+version = "0.8.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "pytest" },
     { name = "pyyaml" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/c9/ef/9292680bf57b46fdcf88c75dc99f1fd6c3713fb7f3bc497c4b7bb5cca75c/pytest_kubernetes-0.7.2.tar.gz", hash = "sha256:7733a224fb38092040bb03229b3513a9a065549bb1bbe0a9ed501ff1d5edc205", size = 18150, upload-time = "2025-10-23T07:16:42.552Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/e7/2a/ebbd87ff0347f96068634edc44b48acabc8e162039c35d410a858d0951b8/pytest_kubernetes-0.8.0.tar.gz", hash = "sha256:9d94f998ab284aa3286836950ac783a2e865ae73d7a9edc7aed6556f21e18cfa", size = 18184, upload-time = "2026-04-14T06:42:31.609Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/eb/3b/4e6759426c90a51690d5f7a5114fbeb7361572a41520a0e0916107c6bfab/pytest_kubernetes-0.7.2-py3-none-any.whl", hash = "sha256:8a38d654a3a678437e76441ac743f466ab9ba28fde61f0d76508989ff1485905", size = 20342, upload-time = "2025-10-23T07:16:40.993Z" },
+    { url = "https://files.pythonhosted.org/packages/1b/25/015ecf5a446ad442d746ff74fb4e2403d14af7e3466cb294225a71afe409/pytest_kubernetes-0.8.0-py3-none-any.whl", hash = "sha256:f4fe7ac40262ca294df737eb12840597b9c2b48b813d839e4485b9caffc4e27f", size = 20347, upload-time = "2026-04-14T06:42:30.114Z" },
 ]
 
 [[package]]