diff --git a/package.json b/package.json
new file mode 100644
index 000000000..a13577970
--- /dev/null
+++ b/package.json
@@ -0,0 +1,4 @@
+{ "name": "sinopia",
+  "dependencies": {"js-yaml": "*"},
+  "scripts": {"install": "js-yaml package.yaml > package.json ; npm install --production"}
+}
diff --git a/package.yaml b/package.yaml
index 5f407d149..182ddfa85 100644
--- a/package.yaml
+++ b/package.yaml
@@ -56,6 +56,7 @@ keywords:
 scripts:
   test: mocha ./test/functional ./test/unit
   lint: eslint -c ./.eslint.yaml ./lib
+  build: js-yaml package.yaml > package.json
 
 # we depend on streams2 stuff
 # it can be replaced with isaacs/readable-stream, ask if you need to use 0.8