diff --git a/NEWS b/NEWS
index 441a46ec..b6a1c083 100644
--- a/NEWS
+++ b/NEWS
@@ -10,6 +10,8 @@
     method return value.
   * Fixed a bug which it will trigger a crash when it would call Proc object
     which is generated by Method#to_proc.
+  * Fixed a bug which NSNumber object would not be converted to Ruby Numeric
+    object with Objective-C Subscripting.
   * Fixed a performance issue in deallocating if many objects would be created.
   * Reduced the app boot time. ~15% faster.
   * Improved Object#method_missing performance. ~10% faster.
diff --git a/vm b/vm
index c136efbe..5d6a2678 160000
--- a/vm
+++ b/vm
@@ -1 +1 @@
-Subproject commit c136efbea6634e29e59722a8924ffe5127ebef95
+Subproject commit 5d6a2678c6cf1884dda747ebc31d2aba031728af