diff --git a/src/version.h b/src/version.h
index 5b6902149c..4c1cfa3842 100644
--- a/src/version.h
+++ b/src/version.h
@@ -1 +1 @@
-#define LAMMPS_VERSION "22 Sep 2010"
+#define LAMMPS_VERSION "23 Sep 2010"