diff --git a/version.h b/version.h
index 0efd3557e3..1ee485688f 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 "2.21"
+#define RELEASE "development"
+#define VERSION "2.21.90"