diff --git a/src/version.h b/src/version.h
index a937fd598f..9c71949ed2 100644
--- a/src/version.h
+++ b/src/version.h
@@ -1 +1 @@
-#define LAMMPS_VERSION "22 Jul 2013"
+#define LAMMPS_VERSION "23 Jul 2013"