diff --git a/README.md b/README.md
index e606e2c8..60fd7a0a 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@ deno run --allow-net --allow-write --allow-read --allow-plugin --unstable xxx.ts
 ## Examples
 
 ```ts
-import { MongoClient } from "https://deno.land/x/mongo@v0.11.2/mod.ts";
+import { MongoClient } from "https://deno.land/x/mongo@v0.12.1/mod.ts";
 
 const client = new MongoClient();
 client.connectWithUri("mongodb://localhost:27017");
diff --git a/mod.ts b/mod.ts
index efd91bfd..e25950db 100644
--- a/mod.ts
+++ b/mod.ts
@@ -7,7 +7,7 @@ export * from "./ts/result.ts";
 export { ObjectId } from "./ts/types.ts";
 export type { UpdateOptions } from "./ts/types.ts";
 export * from "./ts/util.ts";
-export const VERSION = "v0.11.2";
+export const VERSION = "v0.12.1";
 export const RELEASE_URL =
   `https://github.com/manyuanrong/deno_mongo/releases/download/${VERSION}`;