diff --git a/ChangeLog b/ChangeLog
index ba5b3b8b7..334cf51a3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,7 @@
 2004-08-13  Alexandre Duret-Lutz  <adl@src.lip6.fr>
 
+	* configure.ac, NEWS: Bump version to 0.0y.
+
 	* configure.ac, NEWS: Bump version to 0.0x.
 
 2004-08-12  Alexandre Duret-Lutz  <adl@src.lip6.fr>
diff --git a/NEWS b/NEWS
index 534d8379b..0d8566092 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,5 @@
+New in spot 0.0y:
+
 New in spot 0.0x (2004-08-13):
 
   * New atomic_prop_collect() function: collect atomic propositions
diff --git a/configure.ac b/configure.ac
index f59dec188..726a1c8cc 100644
--- a/configure.ac
+++ b/configure.ac
@@ -20,7 +20,7 @@
 # 02111-1307, USA.
 
 AC_PREREQ([2.59])
-AC_INIT([spot], [0.0x])
+AC_INIT([spot], [0.0y])
 AC_CONFIG_AUX_DIR([tools])
 AM_INIT_AUTOMAKE([gnits nostdinc 1.8])