diff --git a/.github/workflows/workflow.yml b/.github/workflows/workflow.yml
index bd59d5a..854a4b7 100644
--- a/.github/workflows/workflow.yml
+++ b/.github/workflows/workflow.yml
@@ -68,4 +68,4 @@ jobs:
         run: brew install shfmt
 
       - name: Run shfmt
-        run: shfmt -d -i 2 -ci .
+        run: make fmt-check
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..194601e
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,14 @@
+SH_SRCFILES = $(shell git ls-files "bin/*")
+SHFMT_BASE_FLAGS = -s -i 2 -ci
+
+fmt:
+	shfmt -w $(SHFMT_BASE_FLAGS) $(SH_SRCFILES)
+.PHONY: fmt
+
+fmt-check:
+	shfmt -d $(SHFMT_BASE_FLAGS) $(SH_SRCFILES)
+.PHONY: fmt-check
+
+lint:
+	shellcheck $(SH_SRCFILES)
+.PHONY: lint