diff --git a/src/version.h b/src/version.h
index 522b480dc629db53ff0f71b02386550049c36e69..cd5b3ed7ef8d9f6c4e67d1299a481d245f8e33fb 100644
--- a/src/version.h
+++ b/src/version.h
@@ -1 +1 @@
-#define LAMMPS_VERSION "20 Oct 2011"
+#define LAMMPS_VERSION "23 Oct 2011"