diff --git a/README b/README
index 1d03007457..3a265f1dc7 100644
--- a/README
+++ b/README
@@ -1,4 +1,4 @@
-This is hdf5-1.3.27 currently under development
+This is hdf5-1.3.28 currently under development
 Please refer to the INSTALL file for installation instructions.
 ------------------------------------------------------------------------------
 
diff --git a/src/H5public.h b/src/H5public.h
index d3d5693095..adfb899102 100644
--- a/src/H5public.h
+++ b/src/H5public.h
@@ -56,7 +56,7 @@ static char             RcsId[] = "@(#)$Revision$";
 /* Version numbers */
 #define H5_VERS_MAJOR	1	/* For major interface/format changes  	     */
 #define H5_VERS_MINOR	3	/* For minor interface/format changes  	     */
-#define H5_VERS_RELEASE	27	/* For tweaks, bug-fixes, or development     */
+#define H5_VERS_RELEASE	28	/* For tweaks, bug-fixes, or development     */
 #define H5_VERS_SUBRELEASE ""	/* For pre-releases like snap0               */
 				/* Empty string for real releases.           */