diff --git a/src/core/index.js b/src/core/index.js
index 6888b87..c7e1706 100644
--- a/src/core/index.js
+++ b/src/core/index.js
@@ -12,6 +12,7 @@
     // utils
     utils: require('./utils'),
     math: require('./math'),
+    CONST: require('./const'),
 
     // display
     DisplayObject:          require('./display/DisplayObject'),