diff --git a/src/version.h b/src/version.h
index 320897a937..dbe555b16f 100644
--- a/src/version.h
+++ b/src/version.h
@@ -1 +1 @@
-#define LAMMPS_VERSION "12 Jan 2011"
+#define LAMMPS_VERSION "13 Jan 2011"