diff --git a/src/version.h b/src/version.h
index e9b0a4ef31..a174352fc2 100644
--- a/src/version.h
+++ b/src/version.h
@@ -1 +1 @@
-#define LAMMPS_VERSION "18 Mar 2011"
+#define LAMMPS_VERSION "22 Mar 2011"