message: Fix Makefile
  Change-type: patch
diff: # ---------------------------------------------------------------------
  RESIN_SCRIPTS ?= ./scripts/resin
  +NPM_VERSION ?= 6.7.0
  S3_BUCKET = artifacts.ci.balena-cloud.com
  # This directory will be completely deleted by the `clean` rule
  @@ -97,8 +98,7 @@ electron-develop: | $(BUILD_TEMPORARY_DIRECTORY)
  -b $(shell pwd) \
  -r $(TARGET_ARCH) \
  -s $(PLATFORM) \
  - -n $(BUILD_TEMPORARY_DIRECTORY)/npm \
  - -a $(S3_BUCKET)
  + -m $(NPM_VERSION)
  electron-test:
  $(RESIN_SCRIPTS)/electron/test.sh \
  