diff --git a/README.md b/README.md
index 2a98e28..d99486f 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,5 @@
+![Coverage](https://img.shields.io/badge/coverage-30%25%2B-brightgreen)
+
 ### ONE FM LMS
 
 `one_lms` extends Frappe LMS for ONE FM training operations. It adds custom fields,
diff --git a/pyproject.toml b/pyproject.toml
index 9892080..aec5044 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,6 +13,7 @@ dependencies = [
 
 [project.optional-dependencies]
 dev = [
+    "pytest-cov~=5.0.0",
     "basedmypy~=2.0.0",
 ]
 
@@ -60,6 +61,17 @@ quote-style = "double"
 indent-style = "tab"
 docstring-code-format = true
 
+[tool.pytest.ini_options]
+addopts = "--cov=one_lms --cov-report=term-missing --cov-fail-under=30"
+
+[tool.coverage.run]
+source = ["one_lms"]
+omit = ["*/tests/*", "*/test_*.py", "*/patches/*"]
+
+[tool.coverage.report]
+fail_under = 30
+show_missing = true
+
 [tool.mypy]
 strict = false
 pretty = true