diff --git a/pyproject.toml b/pyproject.toml
index a9522f6..e9ca586 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -18,7 +18,7 @@ app = [
 sandbox = ["flask~=3.1.2", "gunicorn~=23.0.0"]
 dev = [
   "coverage==7.12.0",
-  "pytest-cov==6.2.1",
+  "pytest-cov==7.0.0",
   "pytest-nhsd-apim==5.0.14",
   "pytest==8.2.0",
   "requests==2.32.5",
diff --git a/uv.lock b/uv.lock
index 2d99cdd..19dc6a8 100644
--- a/uv.lock
+++ b/uv.lock
@@ -265,7 +265,7 @@ app = [
 dev = [
     { name = "coverage", specifier = "==7.12.0" },
     { name = "pytest", specifier = "==8.2.0" },
-    { name = "pytest-cov", specifier = "==6.2.1" },
+    { name = "pytest-cov", specifier = "==7.0.0" },
     { name = "pytest-nhsd-apim", specifier = "==5.0.14" },
     { name = "requests", specifier = "==2.32.5" },
     { name = "ruff", specifier = "==0.14.7" },
@@ -491,16 +491,16 @@ wheels = [
 
 [[package]]
 name = "pytest-cov"
-version = "6.2.1"
+version = "7.0.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "coverage" },
     { name = "pluggy" },
     { name = "pytest" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/18/99/668cade231f434aaa59bbfbf49469068d2ddd945000621d3d165d2e7dd7b/pytest_cov-6.2.1.tar.gz", hash = "sha256:25cc6cc0a5358204b8108ecedc51a9b57b34cc6b8c967cc2c01a4e00d8a67da2", size = 69432, upload-time = "2025-06-12T10:47:47.684Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/5e/f7/c933acc76f5208b3b00089573cf6a2bc26dc80a8aece8f52bb7d6b1855ca/pytest_cov-7.0.0.tar.gz", hash = "sha256:33c97eda2e049a0c5298e91f519302a1334c26ac65c1a483d6206fd458361af1", size = 54328, upload-time = "2025-09-09T10:57:02.113Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/bc/16/4ea354101abb1287856baa4af2732be351c7bee728065aed451b678153fd/pytest_cov-6.2.1-py3-none-any.whl", hash = "sha256:f5bc4c23f42f1cdd23c70b1dab1bbaef4fc505ba950d53e0081d0730dd7e86d5", size = 24644, upload-time = "2025-06-12T10:47:45.932Z" },
+    { url = "https://files.pythonhosted.org/packages/ee/49/1377b49de7d0c1ce41292161ea0f721913fa8722c19fb9c1e3aa0367eecb/pytest_cov-7.0.0-py3-none-any.whl", hash = "sha256:3b8e9558b16cc1479da72058bdecf8073661c7f57f7d3c5f22a1c23507f2d861", size = 22424, upload-time = "2025-09-09T10:57:00.695Z" },
 ]
 
 [[package]]