Update README.md (#143)

diff --git a/README.md b/README.md
index 63c3dd3..728827c 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,6 @@
 [![Build Status](https://github.com/dart-lang/ffi/workflows/Dart%20CI/badge.svg)](https://github.com/dart-lang/ffi/actions?query=workflow%3A"Dart+CI")
+[![pub package](https://img.shields.io/pub/v/ffi.svg)](https://pub.dev/packages/ffi)
+[![package publisher](https://img.shields.io/pub/publisher/ffi.svg)](https://pub.dev/packages/ffi/publisher)
 
 Utilities for working with Foreign Function Interface (FFI) code, incl.
 converting between Dart strings and C strings encoded with UTF-8 and UTF-16.