diff --git a/Makefile b/Makefile
index 2302ee6..b9d19ac 100644
--- a/Makefile
+++ b/Makefile
@@ -6,6 +6,6 @@ lint:
 go-test:
 	go test
 bench:
-	go test -bench .
+	go test -bench . -benchmem
 
 .PHONY: lint test