diff --git a/Makefile b/Makefile
index 2a01bfc..95c600c 100644
--- a/Makefile
+++ b/Makefile
@@ -2,17 +2,18 @@
 
 PKG := deploy_gcp tee
 
-.PHONY: help lint format format-check typecheck check
+.PHONY: help lint format format-check typecheck test check
 
 help:
 	@echo "Targets:"
-	@echo "  check         lint + format-check + typecheck (what CI runs)"
+	@echo "  check         lint + format-check + typecheck + test (what CI runs)"
 	@echo "  lint          ruff check"
 	@echo "  format        ruff format (writes changes)"
 	@echo "  format-check  ruff format --check"
 	@echo "  typecheck     ty check"
+	@echo "  test          unittest discovery (repo-wide)"
 
-check: lint format-check typecheck
+check: lint format-check typecheck test
 
 lint:
 	uv run ruff check $(PKG)
@@ -25,3 +26,8 @@ format-check:
 
 typecheck:
 	uv run ty check $(PKG)
+
+# -b buffers each test's stdout/stderr and replays it only on failure, so
+# passing runs stay quiet (the code under test prints progress + warnings).
+test:
+	uv run python -m unittest discover -b