diff --git a/Makefile b/Makefile
index aa12f75..9c3b7cb 100644
--- a/Makefile
+++ b/Makefile
@@ -57,7 +57,7 @@ include $(CONFIG_DIR)/make.env
 export $(shell sed 's/=.*//' $(CONFIG_DIR)/make.env)
 
 ## Use env vars from existing release if present
-ifeq ($(REPRODUCE),"true")
+ifeq ($(TOOLCHAIN_REPRODUCE),"true")
 	include $(DIST_DIR)/release.env
 	export
 endif
@@ -87,6 +87,17 @@ toolchain-update:
 		$(FETCH_DIR)/apt
 	$(MAKE) $(CONFIG_DIR)/apt-hashes-x86_64.list
 
+.PHONY: toolchain-restore-mtime
+toolchain-restore-mtime:
+	$(call toolchain," \
+		git restore-mtime \
+		&& echo "Git mtime restored" \
+	")
+
+.PHONY: toolchain-dist-cache
+toolchain-dist-cache:
+	cp -Rp $(DIST_DIR)/* $(OUT_DIR)/
+
 $(CONFIG_DIR)/apt-base.list:
 	touch $(CONFIG_DIR)/apt-base.list
 
@@ -138,15 +149,15 @@ toolchain-clean:
 	fi
 	docker image rm -f $(IMAGE) || :
 
-.PHONY: reproduce
-reproduce: toolchain-clean
+.PHONY: toolchain-reproduce
+toolchain-reproduce: toolchain-clean
 	mkdir -p $(OUT_DIR)
-	$(MAKE) REPRODUCE="true"
+	$(MAKE) TOOLCHAIN_REPRODUCE="true"
 	diff -q $(OUT_DIR) $(DIST_DIR) \
 	&& echo "Success: $(OUT_DIR) and $(DIST_DIR) are identical"
 
-.PHONY: $(DIST_DIR)
-$(DIST_DIR):
+.PHONY: toolchain-dist
+toolchain-dist: toolchain-restore-mtime toolchain-dist-cache
 	git ls-files -o --exclude-standard | grep . \
 		&& { echo "Error: Git has untracked files present"; exit 1; } || :
 	git diff --name-only | grep . \
diff --git a/scripts/packages-update b/scripts/packages-update
index 5d85b20..3d0c3c2 100755
--- a/scripts/packages-update
+++ b/scripts/packages-update
@@ -23,7 +23,7 @@ apt-get install -y --download-only $( \
 apt-get install \
 	-y \
 	--download-only \
-	sudo gettext dpkg-dev \
+	sudo gettext dpkg-dev git-restore-mtime \
 	$(cat /config/apt-base.list)
 
 ( cd /var/cache/apt/archives \