diff --git a/poetry.lock b/poetry.lock
index 47d8800..df7783e 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1290,13 +1290,13 @@ tenacity = ">=6.2.0"
 
 [[package]]
 name = "pluggy"
-version = "1.0.0"
+version = "1.4.0"
 description = "plugin and hook calling mechanisms for python"
 optional = false
-python-versions = ">=3.6"
+python-versions = ">=3.8"
 files = [
-    {file = "pluggy-1.0.0-py2.py3-none-any.whl", hash = "sha256:74134bbf457f031a36d68416e1509f34bd5ccc019f0bcc952c7b909d06b37bd3"},
-    {file = "pluggy-1.0.0.tar.gz", hash = "sha256:4224373bacce55f955a878bf9cfa763c1e360858e330072059e10bad68531159"},
+    {file = "pluggy-1.4.0-py3-none-any.whl", hash = "sha256:7db9f7b503d67d1c5b95f59773ebb58a8c1c288129a88665838012cfb07b8981"},
+    {file = "pluggy-1.4.0.tar.gz", hash = "sha256:8c85c2876142a764e5b7548e7d9a0e0ddb46f5185161049a79b7e974454223be"},
 ]
 
 [package.extras]
@@ -1340,13 +1340,13 @@ diagrams = ["jinja2", "railroad-diagrams"]
 
 [[package]]
 name = "pytest"
-version = "7.4.4"
+version = "8.0.0"
 description = "pytest: simple powerful testing with Python"
 optional = false
-python-versions = ">=3.7"
+python-versions = ">=3.8"
 files = [
-    {file = "pytest-7.4.4-py3-none-any.whl", hash = "sha256:b090cdf5ed60bf4c45261be03239c2c1c22df034fbffe691abe93cd80cea01d8"},
-    {file = "pytest-7.4.4.tar.gz", hash = "sha256:2cf0005922c6ace4a3e2ec8b4080eb0d9753fdc93107415332f50ce9e7994280"},
+    {file = "pytest-8.0.0-py3-none-any.whl", hash = "sha256:50fb9cbe836c3f20f0dfa99c565201fb75dc54c8d76373cd1bde06b06657bdb6"},
+    {file = "pytest-8.0.0.tar.gz", hash = "sha256:249b1b0864530ba251b7438274c4d251c58d868edaaec8762893ad4a0d71c36c"},
 ]
 
 [package.dependencies]
@@ -1354,7 +1354,7 @@ colorama = {version = "*", markers = "sys_platform == \"win32\""}
 exceptiongroup = {version = ">=1.0.0rc8", markers = "python_version < \"3.11\""}
 iniconfig = "*"
 packaging = "*"
-pluggy = ">=0.12,<2.0"
+pluggy = ">=1.3.0,<2.0"
 tomli = {version = ">=1.0.0", markers = "python_version < \"3.11\""}
 
 [package.extras]
@@ -1589,4 +1589,4 @@ testing = ["big-O", "flake8 (<5)", "jaraco.functools", "jaraco.itertools", "more
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.9,<3.12"
-content-hash = "d234f041acaa1b028c3c2a9aae1646d0c782e5091669252acfb6727d55f2e778"
+content-hash = "c01c14f5a8298310b9016dab762f61f30a311a251ac66f89f91dd00100add9f1"
diff --git a/pyproject.toml b/pyproject.toml
index dcb3c20..ebd1ec3 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 = "^7.4.4"
+pytest = "^8.0.0"
 pytest-cov = "^4.1.0"
 coverage = "^7.3.2"
 hypothesis = "^6.92.2"