diff --git a/Changes b/Changes
index 9260fc016..ffc7ebe17 100644
--- a/Changes
+++ b/Changes
@@ -3,6 +3,9 @@ Revision history for Verilator
 The contributors that suggested a given feature are shown in [].  [by ...]
 indicates the contributor was also the author of the fix; Thanks!
 
+* Verilator 3.847 devel
+
+
 * Verilator 3.846 2013-03-09
 
 **    IEEE 1800-2012 is now the default language.  This adds 4 new keywords
diff --git a/configure.ac b/configure.ac
index 57a550a1a..04822172a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -6,7 +6,7 @@
 
 #AC_INIT([Verilator],[#.### YYYY-MM-DD])
 #AC_INIT([Verilator],[#.### devel])
-AC_INIT([Verilator],[3.846 2013-03-09])
+AC_INIT([Verilator],[3.847 devel])
 AC_CONFIG_HEADER(src/config_build.h)
 AC_CONFIG_FILES(Makefile src/Makefile src/Makefile_obj include/verilated.mk include/verilated_config.h)