version bump
diff --git a/ChangeLog b/ChangeLog
index 8e59646..3c1a829 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,4 +1,6 @@
 
+0.9.??:
+
 0.9.28: 2017-03-26
     * PER decoding: avoid memory leak on error. By github.com/simo5
     * Constness patch #46 by Wim L <wiml@omnigroup.com> (41bbf1c..78d604f).