diff --git a/src/version.h b/src/version.h
index 4ab19a60d9..bc73752e03 100644
--- a/src/version.h
+++ b/src/version.h
@@ -1 +1 @@
-#define LAMMPS_VERSION "21 May 2013"
+#define LAMMPS_VERSION "22 Mar 2013"