diff --git a/src/version.h b/src/version.h
index ba8c07e313..a434766cb2 100644
--- a/src/version.h
+++ b/src/version.h
@@ -1 +1 @@
-#define LAMMPS_VERSION "3 Apr 2013"
+#define LAMMPS_VERSION "6 Apr 2013"