diff --git a/ChangeLog b/ChangeLog
index 49c2e08a4a..743121f7ad 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2009-11-12  Ulrich Drepper  <drepper@redhat.com>
+
+	* version.h: Bump for 2.12 development.
+
 2009-11-10  Andreas Schwab  <schwab@redhat.com>
 
 	* resolv/mapv4v6hostent.h (map_v4v6_hostent): Return non-zero if
diff --git a/version.h b/version.h
index e44ecd4a19..db60a0c44e 100644
--- a/version.h
+++ b/version.h
@@ -1,4 +1,4 @@
 /* This file just defines the current version number of libc.  */
 
-#define RELEASE "stable"
-#define VERSION "2.11"
+#define RELEASE "development"
+#define VERSION "2.11.90"