diff --git a/src/version.h b/src/version.h
index ac5fac44b9..fb7a8ed437 100644
--- a/src/version.h
+++ b/src/version.h
@@ -1 +1 @@
-#define LAMMPS_VERSION "30 Mar 2011"
+#define LAMMPS_VERSION "31 Mar 2011"