CHANGELOG.md in mongoid-locker-0.3.3 vs CHANGELOG.md in mongoid-locker-0.3.4

@@ -1,6 +1,11 @@
 # Changelog
 
+## 0.3.4 ([diff](https://github.com/afeld/mongoid-locker/compare/v0.3.4...master?w=1))
+
+* fixed write concern for the lock record with Mongoid 5
+* don't query the document in Mongoid 5, better performance when acquiring lock
+
 ## 0.3.3 ([diff](https://github.com/afeld/mongoid-locker/compare/v0.3.3...master?w=1))
 
 * support Mongoid 5 - #36
 
 ## 0.3.2 ([diff](https://github.com/afeld/mongoid-locker/compare/v0.3.1...v0.3.2?w=1))