Service worker is not registering on chrome

I know service worker and push notification wont work without https SSL certificate so in my rails 3 app on dev environment i have setup self signed certificate for dev environment so all urls are opening with https. So now this service worker thing works on mozilla browser but its giving me following error on chrome Service Worker error :^( DOMException: Failed to register a ServiceWorker: An SSL certificate error occurred when fetching the script. Please help me with this.