diff --git a/build/config.php b/build/config.php
index e808af1a9..5860feba6 100644
--- a/build/config.php
+++ b/build/config.php
@@ -51,6 +51,7 @@
     <script src="$path/src/pixi/text/BitmapText.js"></script>
     <script src="$path/src/pixi/display/Stage.js"></script>
 
+    <script src="$path/src/pixi/utils/EventTarget.js"></script>
     <script src="$path/src/pixi/utils/Utils.js"></script>
     <script src="$path/src/pixi/utils/Polyk.js"></script>
 
diff --git a/tasks/manifests/pixi.json b/tasks/manifests/pixi.json
index 6a1b59339..6277f42f5 100644
--- a/tasks/manifests/pixi.json
+++ b/tasks/manifests/pixi.json
@@ -10,6 +10,7 @@
     "src/pixi/text/BitmapText.js",
     "src/pixi/display/Stage.js",
 
+    "src/pixi/utils/EventTarget.js",
     "src/pixi/utils/Utils.js",
     "src/pixi/utils/Polyk.js",