diff --git a/poetry.lock b/poetry.lock
index 3fb5cb7..5f1ff32 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 2.3.2 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 = "astroid"
@@ -966,21 +966,21 @@ files = [
 
 [[package]]
 name = "pytest"
-version = "8.4.2"
+version = "9.0.3"
 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-9.0.3-py3-none-any.whl", hash = "sha256:2c5efc453d45394fdd706ade797c0a81091eccd1d6e4bccfcd476e2b8e0ab5d9"},
+    {file = "pytest-9.0.3.tar.gz", hash = "sha256:b86ada508af81d19edeb213c681b1d48246c1a91d304c6c81a427674c17eb91c"},
 ]
 
 [package.dependencies]
 colorama = {version = ">=0.4", markers = "sys_platform == \"win32\""}
 exceptiongroup = {version = ">=1", markers = "python_version < \"3.11\""}
-iniconfig = ">=1"
-packaging = ">=20"
+iniconfig = ">=1.0.1"
+packaging = ">=22"
 pluggy = ">=1.5,<2"
 pygments = ">=2.7.2"
 tomli = {version = ">=1", markers = "python_version < \"3.11\""}
@@ -1278,4 +1278,4 @@ typing-extensions = {version = ">=4.13.2", markers = "python_version < \"3.11\""
 [metadata]
 lock-version = "2.1"
 python-versions = "^3.10"
-content-hash = "c95b257d825403599d6e1f3e8066c09d89a92e0061ef8b1aa160f92ca7439f8e"
+content-hash = "cc5a637b038c2d2237d01fb351a0b587e007b62ee7f31923eda8fa5bb59afb30"
diff --git a/pyproject.toml b/pyproject.toml
index 47e7656..3a392c9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -34,7 +34,7 @@ pylama = "^8.4"
 pylint = "^3.0"
 pynacl = "^1.5"
 pre-commit = "^4.0"
-pytest = "^8.1"
+pytest = ">=8.1,<10.0"
 pytest-benchmark = "^4.0"
 ruff = "^0.13.0"
 setuptools = "^80.9.0"