diff --git a/src/version.h b/src/version.h
index 104c74541..f49bafbe2 100644
--- a/src/version.h
+++ b/src/version.h
@@ -1 +1 @@
-#define LAMMPS_VERSION "10 May 2010"
+#define LAMMPS_VERSION "11 May 2010"