diff --git a/poetry.lock b/poetry.lock
index 12c43e0..2c34a8c 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 2.1.1 and should not be changed by hand.
+# This file is automatically @generated by Poetry 2.2.1 and should not be changed by hand.
 
 [[package]]
 name = "annotated-types"
@@ -413,20 +413,20 @@ windows-terminal = ["colorama (>=0.4.6)"]
 
 [[package]]
 name = "pytest"
-version = "8.4.2"
+version = "9.0.0"
 description = "pytest: simple powerful testing with Python"
 optional = false
-python-versions = ">=3.9"
+python-versions = ">=3.10"
 groups = ["dev"]
 files = [
-    {file = "pytest-8.4.2-py3-none-any.whl", hash = "sha256:872f880de3fc3a5bdc88a11b39c9710c3497a547cfa9320bc3c5e62fbf272e79"},
-    {file = "pytest-8.4.2.tar.gz", hash = "sha256:86c0d0b93306b961d58d62a4db4879f27fe25513d4b969df351abdddb3c30e01"},
+    {file = "pytest-9.0.0-py3-none-any.whl", hash = "sha256:e5ccdf10b0bac554970ee88fc1a4ad0ee5d221f8ef22321f9b7e4584e19d7f96"},
+    {file = "pytest-9.0.0.tar.gz", hash = "sha256:8f44522eafe4137b0f35c9ce3072931a788a21ee40a2ed279e817d3cc16ed21e"},
 ]
 
 [package.dependencies]
 colorama = {version = ">=0.4", markers = "sys_platform == \"win32\""}
-iniconfig = ">=1"
-packaging = ">=20"
+iniconfig = ">=1.0.1"
+packaging = ">=22"
 pluggy = ">=1.5,<2"
 pygments = ">=2.7.2"
 
@@ -511,4 +511,4 @@ typing-extensions = ">=4.12.0"
 [metadata]
 lock-version = "2.1"
 python-versions = ">=3.11,<3.13"
-content-hash = "b9f8ae6ee19b5559bbeeb61b927a17993896fe1e9472987a43566b2d8baeeb51"
+content-hash = "6e9a9d132b6b7de3107a0f79515a3226a57b9ef05eebde1172e016e67a2d6f4e"
diff --git a/pyproject.toml b/pyproject.toml
index e6bd5ef..11162e3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -14,7 +14,7 @@ pydantic = "^2"
 rich = ">=13,<15"
 
 [tool.poetry.group.dev.dependencies]
-pytest = "^8"
+pytest = ">=8,<10"
 ruff = ">=0.6,<0.14"
 black = ">=24.8,<26.0"
 mypy = "^1.11"