diff --git a/src/version.h b/src/version.h
index 0833ddae40..4d760c21f6 100644
--- a/src/version.h
+++ b/src/version.h
@@ -1 +1 @@
-#define LAMMPS_VERSION "5 Oct 2011"
+#define LAMMPS_VERSION "6 Oct 2011"