diff --git a/poetry.lock b/poetry.lock
index 8492839..371beba 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1010,23 +1010,23 @@ dev = ["argcomplete", "attrs (>=19.2)", "hypothesis (>=3.56)", "mock", "requests
 
 [[package]]
 name = "pytest-cov"
-version = "6.3.0"
+version = "7.0.0"
 description = "Pytest plugin for measuring coverage."
 optional = false
 python-versions = ">=3.9"
 groups = ["test"]
 files = [
-    {file = "pytest_cov-6.3.0-py3-none-any.whl", hash = "sha256:440db28156d2468cafc0415b4f8e50856a0d11faefa38f30906048fe490f1749"},
-    {file = "pytest_cov-6.3.0.tar.gz", hash = "sha256:35c580e7800f87ce892e687461166e1ac2bcb8fb9e13aea79032518d6e503ff2"},
+    {file = "pytest_cov-7.0.0-py3-none-any.whl", hash = "sha256:3b8e9558b16cc1479da72058bdecf8073661c7f57f7d3c5f22a1c23507f2d861"},
+    {file = "pytest_cov-7.0.0.tar.gz", hash = "sha256:33c97eda2e049a0c5298e91f519302a1334c26ac65c1a483d6206fd458361af1"},
 ]
 
 [package.dependencies]
-coverage = {version = ">=7.5", extras = ["toml"]}
+coverage = {version = ">=7.10.6", extras = ["toml"]}
 pluggy = ">=1.2"
-pytest = ">=6.2.5"
+pytest = ">=7"
 
 [package.extras]
-testing = ["fields", "hunter", "process-tests", "pytest-xdist", "virtualenv"]
+testing = ["process-tests", "pytest-xdist", "virtualenv"]
 
 [[package]]
 name = "ruff"
@@ -1236,4 +1236,4 @@ eth = ["eth-keys"]
 [metadata]
 lock-version = "2.1"
 python-versions = "^3.9"
-content-hash = "f2bb44d75e8bb98fb412aa628e0b7069126d172136660ccbd97011583e508a72"
+content-hash = "f27d3a4578be112a0a2d6a17ada02072dde6842f2029caa517f4e438a7acb24f"
diff --git a/pyproject.toml b/pyproject.toml
index f5c01c6..f65d895 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -57,7 +57,7 @@ eth-typing = "^5.2.1"
 
 [tool.poetry.group.test.dependencies]
 pytest = "^8.4.2"
-pytest-cov = "^6.3.0"
+pytest-cov = ">=6.3,<8.0"
 
 [tool.poetry.scripts]
 eciespy = "ecies.__main__:main"