diff --git a/src/version.h b/src/version.h
index 507c3fad96..bb84168401 100644
--- a/src/version.h
+++ b/src/version.h
@@ -1 +1 @@
-#define LAMMPS_VERSION "22 Jun 2011"
+#define LAMMPS_VERSION "23 Jun 2011"