diff --git a/src/version.h b/src/version.h
index 6269bcd730..872b8d5aaf 100644
--- a/src/version.h
+++ b/src/version.h
@@ -1 +1 @@
-#define LAMMPS_VERSION "8 Jan 2011"
+#define LAMMPS_VERSION "9 Jan 2011"