diff --git a/poetry.lock b/poetry.lock
index 04fb457..ea41d03 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1328,13 +1328,13 @@ diagrams = ["jinja2", "railroad-diagrams"]
 
 [[package]]
 name = "pytest"
-version = "8.0.0"
+version = "8.1.0"
 description = "pytest: simple powerful testing with Python"
 optional = false
 python-versions = ">=3.8"
 files = [
-    {file = "pytest-8.0.0-py3-none-any.whl", hash = "sha256:50fb9cbe836c3f20f0dfa99c565201fb75dc54c8d76373cd1bde06b06657bdb6"},
-    {file = "pytest-8.0.0.tar.gz", hash = "sha256:249b1b0864530ba251b7438274c4d251c58d868edaaec8762893ad4a0d71c36c"},
+    {file = "pytest-8.1.0-py3-none-any.whl", hash = "sha256:ee32db7af8de4629a455806befa90559f307424c07b8413ccfc30bf5b221dd7e"},
+    {file = "pytest-8.1.0.tar.gz", hash = "sha256:f8fa04ab8f98d185113ae60ea6d79c22f8143b14bc1caeced44a0ab844928323"},
 ]
 
 [package.dependencies]
@@ -1342,11 +1342,11 @@ colorama = {version = "*", markers = "sys_platform == \"win32\""}
 exceptiongroup = {version = ">=1.0.0rc8", markers = "python_version < \"3.11\""}
 iniconfig = "*"
 packaging = "*"
-pluggy = ">=1.3.0,<2.0"
-tomli = {version = ">=1.0.0", markers = "python_version < \"3.11\""}
+pluggy = ">=1.4,<2.0"
+tomli = {version = ">=1", markers = "python_version < \"3.11\""}
 
 [package.extras]
-testing = ["argcomplete", "attrs (>=19.2.0)", "hypothesis (>=3.56)", "mock", "nose", "pygments (>=2.7.2)", "requests", "setuptools", "xmlschema"]
+testing = ["argcomplete", "attrs (>=19.2)", "hypothesis (>=3.56)", "mock", "pygments (>=2.7.2)", "requests", "setuptools", "xmlschema"]
 
 [[package]]
 name = "pytest-cov"
@@ -1577,4 +1577,4 @@ testing = ["big-O", "flake8 (<5)", "jaraco.functools", "jaraco.itertools", "more
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.9,<3.12"
-content-hash = "1519c81479d18e8dc25d05cc0805ce6f61b020b2b5e24ad7fa2de2ee352d1e45"
+content-hash = "8debe12cf59abcf83e0625e9242ba547c5dae4154b3b20bfe395dfeba86b7874"
diff --git a/pyproject.toml b/pyproject.toml
index 42e0c7f..972a466 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -40,7 +40,7 @@ arctic3d-localise = "arctic3d.cli_localise:maincli"
 arctic3d-restraints = "arctic3d.cli_restraints:maincli"
 
 [tool.poetry.group.dev.dependencies]
-pytest = "^8.0.0"
+pytest = "^8.1.0"
 pytest-cov = "^4.1.0"
 coverage = "^7.4.3"
 hypothesis = "^6.98.15"