diff --git a/src/version.h b/src/version.h
index 66dc8aefb8..8beb322964 100644
--- a/src/version.h
+++ b/src/version.h
@@ -1 +1 @@
-#define LAMMPS_VERSION "29 May 2011"
+#define LAMMPS_VERSION "30 May 2011"