diff --git a/.coverage b/.coverage
new file mode 100644
index 0000000..d76c14b
Binary files /dev/null and b/.coverage differ
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 387e02e..712edab 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,5 +17,5 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
       - run: pip install -e ".[dev]"
-      - run: pytest
+      - run: pytest --cov=fixit --cov-report=term
       - run: mypy fixit
diff --git a/pyproject.toml b/pyproject.toml
index 3b112b3..ef98f77 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,7 +11,7 @@ requires-python = ">=3.8"
 license = { text = "MIT" }
 
 [project.optional-dependencies]
-dev = ["pytest", "ruff>=0.12.0", "mypy>=1.0,<2"]
+dev = ["pytest", "ruff>=0.12.0", "mypy>=1.0,<2", "pytest-cov"]
 
 [project.scripts]
 fixit = "fixit.cli:main"