diff --git a/configure.ac b/configure.ac
index e75ceac95a..5e5c6a23bc 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,4 @@
-EFL_VERSION([1], [21], [0], [release])
+EFL_VERSION([1], [21], [99], [dev])
 AC_INIT([efl], [efl_version], [enlightenment-devel@lists.sourceforge.net])
 
 AC_PREREQ([2.60])