diff --git a/bower.json b/bower.json
index 160c2948..d9065476 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "aurelia-binding",
-  "version": "0.6.0",
+  "version": "0.6.1",
   "description": "A modern databinding library for JavaScript and HTML.",
   "license": "MIT",
   "keywords": [
@@ -17,7 +17,7 @@
     "url": "http://github.com/aurelia/binding"
   },
   "dependencies": {
-    "aurelia-dependency-injection": "^0.7.0",
+    "aurelia-dependency-injection": "^0.7.1",
     "aurelia-metadata": "^0.5.0",
     "aurelia-task-queue": "^0.4.0",
     "core-js": "zloirock/core-js"
diff --git a/config.js b/config.js
index 81426277..618c1f57 100644
--- a/config.js
+++ b/config.js
@@ -16,24 +16,24 @@ System.config({
 
 System.config({
   "map": {
-    "aurelia-dependency-injection": "github:aurelia/dependency-injection@0.7.0",
+    "aurelia-dependency-injection": "github:aurelia/dependency-injection@0.7.1",
     "aurelia-metadata": "github:aurelia/metadata@0.5.0",
     "aurelia-task-queue": "github:aurelia/task-queue@0.4.0",
     "babel": "npm:babel-core@5.2.2",
     "babel-runtime": "npm:babel-runtime@5.2.2",
-    "core-js": "npm:core-js@0.9.5",
-    "github:aurelia/dependency-injection@0.7.0": {
+    "core-js": "npm:core-js@0.9.6",
+    "github:aurelia/dependency-injection@0.7.1": {
       "aurelia-logging": "github:aurelia/logging@0.4.0",
       "aurelia-metadata": "github:aurelia/metadata@0.5.0",
-      "core-js": "npm:core-js@0.9.5"
+      "core-js": "npm:core-js@0.9.6"
     },
     "github:aurelia/metadata@0.5.0": {
-      "core-js": "npm:core-js@0.9.5"
+      "core-js": "npm:core-js@0.9.6"
     },
     "github:jspm/nodelibs-process@0.1.1": {
       "process": "npm:process@0.10.1"
     },
-    "npm:core-js@0.9.5": {
+    "npm:core-js@0.9.6": {
       "process": "github:jspm/nodelibs-process@0.1.1"
     }
   }
diff --git a/dist/amd/property-observation.js b/dist/amd/property-observation.js
index 9116ccc0..4feb5fa4 100644
--- a/dist/amd/property-observation.js
+++ b/dist/amd/property-observation.js
@@ -138,18 +138,19 @@ define(['exports', 'core-js'], function (exports, _coreJs) {
     OoObjectObserver.prototype.handleChanges = function handleChanges(changeRecords) {
       var updates = {},
           observers = this.observers,
-          i = changeRecords.length;
+          change,
+          observer;
 
-      while (i--) {
-        var change = changeRecords[i],
-            name = change.name;
-
-        if (!(name in updates)) {
-          var observer = observers[name];
-          updates[name] = true;
-          if (observer) {
-            observer.trigger(change.object[name], change.oldValue);
-          }
+      for (var i = 0, ii = changeRecords.length; i < ii; ++i) {
+        change = changeRecords[i];
+        updates[change.name] = change;
+      }
+
+      for (var key in updates) {
+        observer = observers[key], change = updates[key];
+
+        if (observer) {
+          observer.trigger(change.object[key], change.oldValue);
         }
       }
     };
diff --git a/dist/commonjs/property-observation.js b/dist/commonjs/property-observation.js
index 9ec893d2..4b733905 100644
--- a/dist/commonjs/property-observation.js
+++ b/dist/commonjs/property-observation.js
@@ -139,18 +139,19 @@ var OoObjectObserver = (function () {
   OoObjectObserver.prototype.handleChanges = function handleChanges(changeRecords) {
     var updates = {},
         observers = this.observers,
-        i = changeRecords.length;
+        change,
+        observer;
 
-    while (i--) {
-      var change = changeRecords[i],
-          name = change.name;
-
-      if (!(name in updates)) {
-        var observer = observers[name];
-        updates[name] = true;
-        if (observer) {
-          observer.trigger(change.object[name], change.oldValue);
-        }
+    for (var i = 0, ii = changeRecords.length; i < ii; ++i) {
+      change = changeRecords[i];
+      updates[change.name] = change;
+    }
+
+    for (var key in updates) {
+      observer = observers[key], change = updates[key];
+
+      if (observer) {
+        observer.trigger(change.object[key], change.oldValue);
       }
     }
   };
diff --git a/dist/es6/property-observation.js b/dist/es6/property-observation.js
index 7bb8779b..868425c1 100644
--- a/dist/es6/property-observation.js
+++ b/dist/es6/property-observation.js
@@ -117,18 +117,19 @@ export class OoObjectObserver {
   handleChanges(changeRecords){
     var updates = {},
         observers = this.observers,
-        i = changeRecords.length;
+        change, observer;
 
-    while(i--) {
-      var change = changeRecords[i],
-          name = change.name;
-
-      if(!(name in updates)){
-        var observer = observers[name];
-        updates[name] = true;
-        if(observer){
-          observer.trigger(change.object[name], change.oldValue);
-        }
+    for(var i = 0, ii = changeRecords.length; i < ii; ++i){
+      change = changeRecords[i];
+      updates[change.name] = change;
+    }
+
+    for(var key in updates){
+      observer = observers[key],
+      change = updates[key];
+
+      if(observer){
+        observer.trigger(change.object[key], change.oldValue);
       }
     }
   }
diff --git a/dist/system/property-observation.js b/dist/system/property-observation.js
index 66fafd40..d70417c5 100644
--- a/dist/system/property-observation.js
+++ b/dist/system/property-observation.js
@@ -139,18 +139,19 @@ System.register(['core-js'], function (_export) {
         OoObjectObserver.prototype.handleChanges = function handleChanges(changeRecords) {
           var updates = {},
               observers = this.observers,
-              i = changeRecords.length;
+              change,
+              observer;
 
-          while (i--) {
-            var change = changeRecords[i],
-                name = change.name;
-
-            if (!(name in updates)) {
-              var observer = observers[name];
-              updates[name] = true;
-              if (observer) {
-                observer.trigger(change.object[name], change.oldValue);
-              }
+          for (var i = 0, ii = changeRecords.length; i < ii; ++i) {
+            change = changeRecords[i];
+            updates[change.name] = change;
+          }
+
+          for (var key in updates) {
+            observer = observers[key], change = updates[key];
+
+            if (observer) {
+              observer.trigger(change.object[key], change.oldValue);
             }
           }
         };
diff --git a/doc/CHANGELOG.md b/doc/CHANGELOG.md
index 61b7d9c5..ea94cbda 100644
--- a/doc/CHANGELOG.md
+++ b/doc/CHANGELOG.md
@@ -1,3 +1,11 @@
+### 0.6.1 (2015-05-06)
+
+
+#### Bug Fixes
+
+* **property-observation:** better update when in OO mode ([2d8ad7d5](http://github.com/aurelia/binding/commit/2d8ad7d57a543b35be6f6cc5b4792f10e5a5ab30))
+
+
 ## 0.6.0 (2015-04-30)
 
 
diff --git a/package.json b/package.json
index c603517f..485ce466 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "aurelia-binding",
-  "version": "0.6.0",
+  "version": "0.6.1",
   "description": "A modern databinding library for JavaScript and HTML.",
   "keywords": [
     "aurelia",
@@ -25,7 +25,7 @@
       "lib": "dist/system"
     },
     "dependencies": {
-      "aurelia-dependency-injection": "github:aurelia/dependency-injection@^0.7.0",
+      "aurelia-dependency-injection": "github:aurelia/dependency-injection@^0.7.1",
       "aurelia-metadata": "github:aurelia/metadata@^0.5.0",
       "aurelia-task-queue": "github:aurelia/task-queue@^0.4.0",
       "core-js": "npm:core-js@^0.9.5"