diff --git a/src/version.h b/src/version.h
index a434766cb2..d26cd59362 100644
--- a/src/version.h
+++ b/src/version.h
@@ -1 +1 @@
-#define LAMMPS_VERSION "6 Apr 2013"
+#define LAMMPS_VERSION "12 Apr 2013"