diff --git a/NEWS b/NEWS
index c8d121a3..aea7b796 100644
--- a/NEWS
+++ b/NEWS
@@ -8,6 +8,8 @@
   * Fixed a bug which it would cause a crash when it will override the method
     which has structures as argument like `MKOverlayRenderer
     #drawMapRect:zoomScale:inContext:'.
+  * Fixed a bug which it could not retrive a value from Hash object when
+    WeakRef object would be used as Hash key.
   * [iOS] Fixed a bug which CTRL+C would terminate debugger immediately with
     `rake debug=1'.
   * [iOS] Fixed a bug which custom debug command (Ex "pro", "pri") would not
diff --git a/vm b/vm
index 81981870..0e12100f 160000
--- a/vm
+++ b/vm
@@ -1 +1 @@
-Subproject commit 819818709beb985ec072a10fad935add5ab7a799
+Subproject commit 0e12100fc0adea21e83a541d8779ca4d9a395e79