diff --git a/.github/workflows/pr-check.yml b/.github/workflows/pr-check.yml
index 6027920..c346e31 100644
--- a/.github/workflows/pr-check.yml
+++ b/.github/workflows/pr-check.yml
@@ -25,7 +25,7 @@ jobs:
           enable-cache: true
           cache-dependency-glob: "backend/uv.lock"
           # Install a specific version of uv.
-          version: "0.7.13"
+          version: "0.8.11"
 
       - name: Set up Python
         run: uv python install
@@ -43,7 +43,7 @@ jobs:
         run: uv run ty check
 
       - name: Run tests
-        run: uv run pytest -v -s
+        run: uv run pytest -v -s --cov
 
   frontend-build:
     runs-on: ubuntu-latest
diff --git a/backend/Makefile b/backend/Makefile
index a72e2f2..4995fea 100644
--- a/backend/Makefile
+++ b/backend/Makefile
@@ -35,7 +35,7 @@ typecheck-pyrefly: uv.lock
 	$(PYTHON) run pyrefly check $(TYPECHECK_OPTIONS) --python-interpreter .venv/bin/python3
 
 test: uv.lock
-	uv run pytest -v -s $(TEST_OPTIONS)
+	uv run pytest -v -s $(TEST_OPTIONS) --cov
 
 clean:
 	find . -type d -name '__pycache__' -exec rm -r {} +
diff --git a/backend/pyproject.toml b/backend/pyproject.toml
index 8179ded..e530ba7 100644
--- a/backend/pyproject.toml
+++ b/backend/pyproject.toml
@@ -27,9 +27,17 @@ where = ["."]
 exclude = ["data*"]
 
 [build-system]
-requires = ["setuptools>=61"]
+requires = ["setuptools>=80"]
 build-backend = "setuptools.build_meta"
 
+[tool.coverage.run]
+branch = true
+source = ["tenantfirstaid"]
+
+[tool.coverage.report]
+fail_under = 85.0  # percentage of overall coverage
+show_missing = true
+
 [dependency-groups]
 dev = [
     "ipdb>=0.13.13",