diff --git a/Makefile b/Makefile
index d26d7858cec5d6387ca5c5556a03e93c3a8bbf0d..5d7bf0d13aac592fd1acf7108f6b5509b51e7c79 100644
--- a/Makefile
+++ b/Makefile
@@ -8,7 +8,7 @@ include variables
 GMSH_MAJOR_VERSION = 2
 GMSH_MINOR_VERSION = 3
 GMSH_PATCH_VERSION = 1
-GMSH_EXTRA_VERSION = ""
+GMSH_EXTRA_VERSION = "-cvs-20090603"
 
 GMSH_VERSION =\
   ${GMSH_MAJOR_VERSION}.${GMSH_MINOR_VERSION}.${GMSH_PATCH_VERSION}${GMSH_EXTRA_VERSION}