diff --git a/CHANGELOG.md b/CHANGELOG.md
index 59f4e5b..5c6d515 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,7 @@
 All notable changes to this project will be documented in this file.
 This project adheres to [Package Versioning Policy](https://wiki.haskell.org/Package_versioning_policy).
 
-## [2.1.1] - unreleased
+## [2.1.1] - 2016-08-13
 
 ### Changed
 - Interfaces of update and delete functions. They don't require MonadBaseControl
diff --git a/mongoDB.cabal b/mongoDB.cabal
index efaaf25..59f6cfe 100644
--- a/mongoDB.cabal
+++ b/mongoDB.cabal
@@ -1,5 +1,5 @@
 Name:           mongoDB
-Version:        2.1.0.2
+Version:        2.1.1
 Synopsis:       Driver (client) for MongoDB, a free, scalable, fast, document
                 DBMS
 Description:    This package lets you connect to MongoDB servers and