diff --git a/package.json b/package.json
index 46d41e62..8791c076 100644
--- a/package.json
+++ b/package.json
@@ -67,7 +67,7 @@
     "handlebars": "^4.0.6",
     "jquery": "^3.1.1",
     "lodash": "^4.17.4",
-    "protoplast": "2.0.0-alpha.24",
+    "protoplast": "2.0.3",
     "stdio": "^0.2.7",
     "text": "requirejs/text"
   }
diff --git a/test/integration/open.js b/test/integration/open.js
index 1312a881..9d925409 100644
--- a/test/integration/open.js
+++ b/test/integration/open.js
@@ -52,7 +52,7 @@ define(function (require) {
 
             // WHEN
             context.build();
-            context._objects.pub('app/init');
+            context._objects.pub.instance('app/init');
 
             // THEN
             chai.assert.strictEqual(scriptModel.script, 'Script');
@@ -64,7 +64,7 @@ define(function (require) {
 
             // WHEN
             context.build();
-            context._objects.pub('app/init');
+            context._objects.pub.instance('app/init');
 
             // THEN
             chai.assert.isUndefined(scriptModel.script);