Updated readme

zonyitoo · zonyitoo · commit 31a74d97e9c0 · 2018-08-12T00:27:01.000+08:00
diff --git a/README.md b/README.md
@@ -16,7 +16,7 @@ This crate works with Cargo and can be found on
 
 ```toml
 [dependencies]
-bson = "0.12"
+bson = "0.13"
 ```
 
 ## Usage
