diff --git a/spec.emu b/spec.emu
index 6e82e16..6f037ee 100644
--- a/spec.emu
+++ b/spec.emu
@@ -5,7 +5,7 @@
 <script src="./spec.js"></script>
 <pre class="metadata">
 title: Symbol as WeakMap Keys Proposal
-stage: 2
+stage: 3
 contributors:
   - Robin Ricard
   - Rick Button