diff --git a/docs/changelog.rst b/docs/changelog.rst
index c9285416..7776a99b 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -5,6 +5,7 @@ Changelog
 Changes in 0.10.4 - DEV
 =======================
 - SaveConditionError is now importable from the top level package. #1165
+- upsert_one method added. #1157
 
 Changes in 0.10.3
 =================
diff --git a/mongoengine/__init__.py b/mongoengine/__init__.py
index 09fb26dc..14a7c1ce 100644
--- a/mongoengine/__init__.py
+++ b/mongoengine/__init__.py
@@ -14,7 +14,7 @@ import errors
 __all__ = (list(document.__all__) + fields.__all__ + connection.__all__ +
            list(queryset.__all__) + signals.__all__ + list(errors.__all__))
 
-VERSION = (0, 10, 2)
+VERSION = (0, 10, 4)
 
 
 def get_version():