diff --git a/src/version.h b/src/version.h
index 918d270288..4c77412833 100644
--- a/src/version.h
+++ b/src/version.h
@@ -1 +1 @@
-#define LAMMPS_VERSION "4 Dec 2012"
+#define LAMMPS_VERSION "6 Dec 2012"