diff --git a/Makefile b/Makefile
index fff7a6b..4e0ed5f 100644
--- a/Makefile
+++ b/Makefile
@@ -11,9 +11,9 @@
 	+make -f $(ROOTDIR)/build/Makefile all
 
 out-dirs:
-	mkdir -p $(PRODUCT_OUT)/packages
-	mkdir -p $(PRODUCT_OUT)/obj
-	mkdir -p $(ROOTDIR)/cache
+	@mkdir -p $(PRODUCT_OUT)/packages
+	@mkdir -p $(PRODUCT_OUT)/obj
+	@mkdir -p $(ROOTDIR)/cache
 
 all: boot-targets
 
diff --git a/docker.mk b/docker.mk
index bb60444..e0a15ca 100644
--- a/docker.mk
+++ b/docker.mk
@@ -60,6 +60,7 @@
 		-e "FETCH_PBUILDER_DIRECTORY=/pbuilder" \
 		-e "PACKAGES_FETCH_ROOT_DIRECTORY=/packages" \
 		-e "FETCH_PACKAGES=$(FETCH_PACKAGES)" \
+		-e "PACKAGES_REVISION=$(PACKAGES_REVISION)" \
 		aiy-board-builder \
 		/bin/bash -c \
 			'groupadd --gid $(shell id -g) $(shell id -g -n); \
diff --git a/packages.mk b/packages.mk
index bd475f7..d6d049f 100644
--- a/packages.mk
+++ b/packages.mk
@@ -114,14 +114,18 @@
 
 ALL_PACKAGE_TARGETS := $(foreach package,$(ALL_PACKAGE_NAMES),$(PRODUCT_OUT)/.$(package)) $(PBUILDER_TARGETS)
 packages-tarball: $(ROOTDIR)/cache/packages.tgz
+$(info )
 ifeq ($(FETCH_PACKAGES),true)
-$(ROOTDIR)/cache/packages.tgz: $(PACKAGES_FETCH_ROOT_DIRECTORY)/packages.tgz | out-dirs
+$(info Using prebuilt packages, set FETCH_PACKAGES=false to build locally)
+$(ROOTDIR)/cache/packages.tgz: $(PACKAGES_FETCH_ROOT_DIRECTORY)/$(ROOTFS_REVISION)/packages.tgz | out-dirs
 	cp $< $(ROOTDIR)/cache
 else
+$(info Building packages locally, set FETCH_PACKAGES=true to use prebuilts)
 $(ROOTDIR)/cache/packages.tgz: $(ALL_PACKAGE_TARGETS) | out-dirs
 	$(ROOTDIR)/build/update_packages.sh
 	tar -C $(PRODUCT_OUT) -czf $@ packages
 endif
+$(info )
 
 packages:: $(ALL_PACKAGE_TARGETS)
 
diff --git a/preamble.mk b/preamble.mk
index 171b0e3..067c961 100644
--- a/preamble.mk
+++ b/preamble.mk
@@ -118,5 +118,6 @@
 
 PREBUILT_DOCKER_ROOT ?= /google/data/ro/teams/spacepark/enterprise/kokoro/prod/spacepark/enterprise/docker
 
-FETCH_PACKAGES ?= false
-PACKAGES_FETCH_ROOT_DIRECTORY ?= /google/data/ro/teams/spacepark/enterprise/kokoro/prod/spacepark/enterprise/debcache
+FETCH_PACKAGES ?= true
+PACKAGES_REVISION ?= latest
+PACKAGES_FETCH_ROOT_DIRECTORY ?= /google/data/ro/teams/spacepark/enterprise/kokoro/prod/spacepark/enterprise/continuous