diff --git a/poetry.lock b/poetry.lock
index cd4f3f59..364e33dd 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -730,22 +730,22 @@ dev = ["argcomplete", "attrs (>=19.2)", "hypothesis (>=3.56)", "mock", "pygments
 
 [[package]]
 name = "pytest-cov"
-version = "4.1.0"
+version = "6.1.1"
 description = "Pytest plugin for measuring coverage."
 optional = false
-python-versions = ">=3.7"
+python-versions = ">=3.9"
 groups = ["dev"]
 files = [
-    {file = "pytest-cov-4.1.0.tar.gz", hash = "sha256:3904b13dfbfec47f003b8e77fd5b589cd11904a21ddf1ab38a64f204d6a10ef6"},
-    {file = "pytest_cov-4.1.0-py3-none-any.whl", hash = "sha256:6ba70b9e97e69fcc3fb45bfeab2d0a138fb65c4d0d6a41ef33983ad114be8c3a"},
+    {file = "pytest_cov-6.1.1-py3-none-any.whl", hash = "sha256:bddf29ed2d0ab6f4df17b4c55b0a657287db8684af9c42ea546b21b1041b3dde"},
+    {file = "pytest_cov-6.1.1.tar.gz", hash = "sha256:46935f7aaefba760e716c2ebfbe1c216240b9592966e7da99ea8292d4d3e2a0a"},
 ]
 
 [package.dependencies]
-coverage = {version = ">=5.2.1", extras = ["toml"]}
+coverage = {version = ">=7.5", extras = ["toml"]}
 pytest = ">=4.6"
 
 [package.extras]
-testing = ["fields", "hunter", "process-tests", "pytest-xdist", "six", "virtualenv"]
+testing = ["fields", "hunter", "process-tests", "pytest-xdist", "virtualenv"]
 
 [[package]]
 name = "pytest-mock"
@@ -1169,4 +1169,4 @@ type = ["pytest-mypy"]
 [metadata]
 lock-version = "2.1"
 python-versions = ">=3.9"
-content-hash = "23fff318ea3c7422377bbe70f181e0841c0c79d4ff60ef752974a330338ff1b8"
+content-hash = "a6acb2416068d468e0b71592ffa777cbee2e1ad20a5f7f721f671e99eaef99ac"
diff --git a/pyproject.toml b/pyproject.toml
index b3c11b00..91f57ba5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -43,7 +43,7 @@ classifiers = [
 mypy = "^1.15"
 pre-commit = "^3.0"
 pytest = "^8.0.0"
-pytest-cov = "^4.0"
+pytest-cov = "^6.1"
 pytest-mock = "^3.8.2"
 towncrier = ">=22.12.0"