diff --git a/Makefile b/Makefile
index 7cc090ba..39980a55 100644
--- a/Makefile
+++ b/Makefile
@@ -44,7 +44,7 @@ checks: tests ruff mypy bandit  ## Run all checks (unit tests, ruff, mypy, bandi
 .PHONY: tests
 tests:  ## Run unit tests
 	@echo "Running tests..."
-	$(PYTHON) -m pytest tests
+	$(PYTHON) -m pytest --cov=shhh tests
 
 .PHONY: yapf
 yapf:  ## Format python code with yapf
diff --git a/pyproject.toml b/pyproject.toml
index 71a672c4..9be695c6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,3 +31,13 @@ split_all_top_level_comma_separated_values = true
 split_before_dict_set_generator = true
 split_before_dot = true
 split_complex_comprehension = true
+
+[tool.coverage.report]
+fail_under = 80
+exclude_also = [
+    "pragma: no cover",
+    "if TYPE_CHECKING:"
+]
+
+[tool.coverage.run]
+source = ["."]