diff --git a/src/version.h b/src/version.h
index dd7c02ca68..06114886c1 100644
--- a/src/version.h
+++ b/src/version.h
@@ -1 +1 @@
-#define LAMMPS_VERSION "3 Jan 2013"
+#define LAMMPS_VERSION "4 Jan 2013"