diff --git a/.coveragerc b/.coveragerc
deleted file mode 100644
index b87ef3e2c..000000000
--- a/.coveragerc
+++ /dev/null
@@ -1,8 +0,0 @@
-[report]
-skip_covered = True
-show_missing = True
-fail_under = 75
-exclude_lines =
-    pragma: no cover
-    if __name__ == .__main__.:
-    def __repr__
diff --git a/.github/workflows/gating.yaml b/.github/workflows/gating.yaml
index 3ade3e656..1ff08f2b4 100644
--- a/.github/workflows/gating.yaml
+++ b/.github/workflows/gating.yaml
@@ -39,7 +39,7 @@ jobs:
       run: |
         pip3 install --upgrade pip
         pip3 install --upgrade setuptools
-        pip3 install --upgrade coveralls==3.2.0
+        pip3 install --upgrade coveralls
         coveralls --service=github
 
   coveralls-finish:
diff --git a/cachi2/core/rooted_path.py b/cachi2/core/rooted_path.py
index a66da36ba..b15683544 100644
--- a/cachi2/core/rooted_path.py
+++ b/cachi2/core/rooted_path.py
@@ -70,9 +70,8 @@ def subpath_from_root(self) -> Path:
         return self._path.relative_to(self._root)
 
     def __eq__(self, other: object) -> bool:
-        # Note: __eq__ is implemented mainly for unit tests that do assert_called_with() or similar
         if not isinstance(other, RootedPath):
-            return NotImplemented
+            raise NotImplementedError(f"__eq__ not implemented for {type(other).__name__}")
         return self.path == other.path and self.root == other.root
 
     def __fspath__(self) -> str:
diff --git a/pyproject.toml b/pyproject.toml
index f92437e96..7dc55b0e3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -82,3 +82,15 @@ disallow_untyped_decorators = true
 [[tool.mypy.overrides]]
 module = ["semver"]
 ignore_missing_imports = true
+
+[tool.coverage.report]
+skip_covered = true
+show_missing = true
+fail_under = 80
+exclude_lines = [
+  "def __repr__",
+  "if __name__ == .__main__.:",
+  "if TYPE_CHECKING:",
+  "raise AssertionError",
+  "raise NotImplementedError",
+]
diff --git a/tox.ini b/tox.ini
index 887b05586..ec2607658 100644
--- a/tox.ini
+++ b/tox.ini
@@ -20,9 +20,12 @@ deps =
     -rrequirements-extras.txt
 commands =
     py.test \
-      --ignore tests/integration \
-      --cov-config .coveragerc --cov=cachi2 --cov-report term \
-      --cov-report xml --cov-report html {posargs}
+      --ignore=tests/integration \
+      --cov=cachi2 \
+      --cov-config=pyproject.toml \
+      --cov-report=term \
+      --cov-report=html \
+      --cov-report=xml {posargs}
 allowlist_externals =
     make
     mkdir