1 files changed, 2 insertions, 2 deletions
diff --git a/spec.txt b/spec.txt
index 0c42aae..9430e15 100644
--- a/spec.txt
+++ b/spec.txt
@@ -1,8 +1,8 @@
 ---
 title: CommonMark Spec
 author: John MacFarlane
-version: 0.20
-date: 2015-06-08
+version: 0.21-dev
+date:
 license: '[CC-BY-SA 4.0](http://creativecommons.org/licenses/by-sa/4.0/)'
 ...