diff --git a/poetry.lock b/poetry.lock
index dfb420c..4f50045 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -283,14 +283,14 @@ testutils = ["gitpython (>3)"]
 
 [[package]]
 name = "pytest"
-version = "9.0.2"
+version = "9.1.0"
 description = "pytest: simple powerful testing with Python"
 optional = false
 python-versions = ">=3.10"
 groups = ["dev"]
 files = [
-    {file = "pytest-9.0.2-py3-none-any.whl", hash = "sha256:711ffd45bf766d5264d487b917733b453d917afd2b0ad65223959f59089f875b"},
-    {file = "pytest-9.0.2.tar.gz", hash = "sha256:75186651a92bd89611d1d9fc20f0b4345fd827c41ccd5c299a868a05d70edf11"},
+    {file = "pytest-9.1.0-py3-none-any.whl", hash = "sha256:8ebb0e7888bdf2bdfc602ec51f8f62d50200af37356c74e503c79a94f5c81f32"},
+    {file = "pytest-9.1.0.tar.gz", hash = "sha256:41dd9148c08072446394cefd3d79701701335a9f4cae69ba92e39f6c7f5c061c"},
 ]
 
 [package.dependencies]
@@ -409,4 +409,4 @@ files = [
 [metadata]
 lock-version = "2.1"
 python-versions = ">=3.10"
-content-hash = "c2d5c8b8b7c74aea728ce16e2c60df432ceb996aa0a37eb7085748a71c37ed44"
+content-hash = "d324972556c1d00310e817ab47f8d9d3bcbd82eaa62e7f1f3abeeebfeaab4ac4"
diff --git a/pyproject.toml b/pyproject.toml
index e879ea6..afdcf71 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,7 +22,7 @@ issues = "https://github.com/Whist-Team/Notation/issues"
 requires-poetry = ">=2.0"
 
 [tool.poetry.group.dev.dependencies]
-pytest = "^9.0"
+pytest = "^9.1"
 pytest-asyncio = "^1.4"
 flake8 = "^7.3"
 flake8-docstrings = "^1.7"