diff --git a/src/version.h b/src/version.h
index 3ee0aa3f1e..f3b1ab7653 100644
--- a/src/version.h
+++ b/src/version.h
@@ -1 +1 @@
-#define LAMMPS_VERSION "27 Apr 2010"
+#define LAMMPS_VERSION "28 Apr 2010"