diff --git a/Cargo.toml b/Cargo.toml
index b5e86a1..f428d11 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,6 +3,7 @@ name = "prettyjson"
 version = "0.1.1"
 authors = ["Hatter Jiang <jht5945@gmail.com>"]
 edition = "2018"
+readme = "README.md"
 description = "PrettyJSON"
 license = "MIT"