diff --git a/src/version.h b/src/version.h
index 48e13ff113..420d65a38f 100644
--- a/src/version.h
+++ b/src/version.h
@@ -1 +1 @@
-#define LAMMPS_VERSION "17 Jun 2011"
+#define LAMMPS_VERSION "18 Jun 2011"