diff --git a/Changes b/Changes
index ab6a8abd3..7cb2dbf60 100644
--- a/Changes
+++ b/Changes
@@ -3,7 +3,7 @@ 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 3.847 2013-05-11
 
 ***   Add ALWCOMBORDER warning.  [KC Buckenmaier]
       
diff --git a/configure.ac b/configure.ac
index 04822172a..e22b04a3b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -6,7 +6,7 @@
 
 #AC_INIT([Verilator],[#.### YYYY-MM-DD])
 #AC_INIT([Verilator],[#.### devel])
-AC_INIT([Verilator],[3.847 devel])
+AC_INIT([Verilator],[3.847 2013-05-11])
 AC_CONFIG_HEADER(src/config_build.h)
 AC_CONFIG_FILES(Makefile src/Makefile src/Makefile_obj include/verilated.mk include/verilated_config.h)