diff --git a/src/version.h b/src/version.h
index 805389028c..f43539aaf2 100644
--- a/src/version.h
+++ b/src/version.h
@@ -1 +1 @@
-#define LAMMPS_VERSION "5 Feb 2012"
+#define LAMMPS_VERSION "6 Feb 2012"