diff --git a/makefile b/makefile
index cae8a34..715220f 100644
--- a/makefile
+++ b/makefile
@@ -1,4 +1,12 @@
-.PHONY: build push
+.PHONY: build push shellcheck
+
+shellcheck:
+	@docker run \
+		-it \
+		--rm \
+		-v $$(pwd):/workdir \
+		koalaman/shellcheck-alpine \
+		shellcheck /workdir/plugin.sh
 
 build:
 	@cd ~/.abra/src && \