diff --git a/src/version.h b/src/version.h
index 06f5372acb..7d81684e82 100644
--- a/src/version.h
+++ b/src/version.h
@@ -1 +1 @@
-#define LAMMPS_VERSION "20 Jan 2013"
+#define LAMMPS_VERSION "21 Jan 2013"