diff --git a/poetry.lock b/poetry.lock
index ab847243..3df7f28d 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -3118,15 +3118,15 @@ dev = ["argcomplete", "attrs (>=19.2)", "hypothesis (>=3.56)", "mock", "requests
 
 [[package]]
 name = "pytest-cov"
-version = "7.0.0"
+version = "7.1.0"
 description = "Pytest plugin for measuring coverage."
 optional = true
 python-versions = ">=3.9"
 groups = ["main"]
 markers = "extra == \"tests\""
 files = [
-    {file = "pytest_cov-7.0.0-py3-none-any.whl", hash = "sha256:3b8e9558b16cc1479da72058bdecf8073661c7f57f7d3c5f22a1c23507f2d861"},
-    {file = "pytest_cov-7.0.0.tar.gz", hash = "sha256:33c97eda2e049a0c5298e91f519302a1334c26ac65c1a483d6206fd458361af1"},
+    {file = "pytest_cov-7.1.0-py3-none-any.whl", hash = "sha256:a0461110b7865f9a271aa1b51e516c9a95de9d696734a2f71e3e78f46e1d4678"},
+    {file = "pytest_cov-7.1.0.tar.gz", hash = "sha256:30674f2b5f6351aa09702a9c8c364f6a01c27aae0c1366ae8016160d1efc56b2"},
 ]
 
 [package.dependencies]
@@ -5049,4 +5049,4 @@ tests = ["mypy", "pytest", "pytest-cov", "qiskit-ibm-provider", "ruff"]
 [metadata]
 lock-version = "2.1"
 python-versions = ">=3.10,<3.14"
-content-hash = "26a541665b0149ab0ba9638aa037509e8d8386f697671d0b6c12f7df0179df20"
+content-hash = "fd718d16923390ec1af4b80347979c0e903231aa913a025cf08e36cbde301ebe"
diff --git a/pyproject.toml b/pyproject.toml
index 37cb94dd..de7a536e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,7 +25,7 @@ pytket-quantinuum = { extras = ["pecos"], version = ">=0.41,<0.59"}
 pytest = { version = ">=8.1,<9.1", optional = true }
 mypy = { version = ">=1.9,<1.20", optional = true }
 sphinx = { version = ">=8.1,<8.3", optional = true }
-pytest-cov = { version = ">=6.0,<7.1", optional = true }
+pytest-cov = { version = ">=6.0,<7.2", optional = true }
 qiskit-ibm-provider = { version = ">=0.11,<0.12", optional = true }
 ruff = { version = ">=0.8,<0.16", optional = true }
 furo = { version = ">=2024.8,<2025.13", optional = true }