diff --git a/Changes b/Changes
index 30a476df3..338bf9e2c 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 3.63**
+* Verilator 3.640 3/12/2007
 
 ***  Support Verilog 2005 `begin_keywords and `end_keywords.
 
diff --git a/src/config_build.h.in b/src/config_build.h.in
index ed78d3d0d..2b209fed3 100644
--- a/src/config_build.h.in
+++ b/src/config_build.h.in
@@ -24,7 +24,7 @@
 //**********************************************************************
 //**** Version and host name
 
-#define DTVERSION	"Verilator 3.633 2/7/2007"
+#define DTVERSION	"Verilator 3.640 3/12/2007"
 
 //**********************************************************************
 //**** Functions