diff --git a/utils/deltares_datasuite/poetry.lock b/utils/deltares_datasuite/poetry.lock
index 099c87a..90fe6c4 100644
--- a/utils/deltares_datasuite/poetry.lock
+++ b/utils/deltares_datasuite/poetry.lock
@@ -1222,13 +1222,13 @@ validation = ["jsonschema (>=4.18,<5.0)"]
 
 [[package]]
 name = "pytest"
-version = "7.4.4"
+version = "8.1.1"
 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-8.1.1-py3-none-any.whl", hash = "sha256:2a8386cfc11fa9d2c50ee7b2a57e7d898ef90470a7a34c4b949ff59662bb78b7"},
+    {file = "pytest-8.1.1.tar.gz", hash = "sha256:ac978141a75948948817d360297b7aae0fcb9d6ff6bc9ec6d514b85d5a65c044"},
 ]
 
 [package.dependencies]
@@ -1236,11 +1236,11 @@ colorama = {version = "*", markers = "sys_platform == \"win32\""}
 exceptiongroup = {version = ">=1.0.0rc8", markers = "python_version < \"3.11\""}
 iniconfig = "*"
 packaging = "*"
-pluggy = ">=0.12,<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"
@@ -1888,4 +1888,4 @@ testing = ["big-O", "jaraco.functools", "jaraco.itertools", "more-itertools", "p
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.9,<3.12"
-content-hash = "5b5e881d28ccb62c7812dbd3dbfda8165127afaefef02a04cd762342059a4ba4"
+content-hash = "ad9744ec0ddc624b572b027337d89170024493848244412e7642373a39c27e5d"
diff --git a/utils/deltares_datasuite/pyproject.toml b/utils/deltares_datasuite/pyproject.toml
index c51e722..53fa8e2 100644
--- a/utils/deltares_datasuite/pyproject.toml
+++ b/utils/deltares_datasuite/pyproject.toml
@@ -47,7 +47,7 @@ mypy = "^1.6.1"
 pre-commit = "^3.5.0"
 pydocstyle = "^6.3.0"
 pylint = "^3.0.2"
-pytest = "^7.4.3"
+pytest = ">=7.4.3,<9.0.0"
 pyupgrade = "^3.15.0"
 safety = "^2.3.5"
 coverage = "^7.3.2"