diff --git a/src/version.h b/src/version.h
index 23689cbfd0..ba0d895720 100644
--- a/src/version.h
+++ b/src/version.h
@@ -1 +1 @@
-#define LAMMPS_VERSION "19 Sep 2010"
+#define LAMMPS_VERSION "20 Sep 2010"