diff --git a/CHANGES b/CHANGES
index ab2029d..d5047d9 100644
--- a/CHANGES
+++ b/CHANGES
@@ -4,6 +4,10 @@
 "!": change that can break compatibility with older version
 ------------------------------------------------------------
 
+version: 1.2.7, ???
+==========================
+! switch lib(extlib -> batteries).
+
 version: 1.2.6, 2014-08-14
 ==========================
 ! deplicated compiled mode.
diff --git a/src/META b/src/META
index c6f7f39..bc2ceac 100755
--- a/src/META
+++ b/src/META
@@ -1,5 +1,5 @@
 name="jingoo"
-version = "1.2.6"
+version = "1.2.7"
 description = "ocaml template engine almost compatible with jinja2"
 requires = "unix,dynlink,pcre,batteries"
 requires(mt) = "unix,dynlink,pcre,batteries,threads"