diff --git a/src/version.h b/src/version.h
index e4af8b8919..cb16010413 100644
--- a/src/version.h
+++ b/src/version.h
@@ -1 +1 @@
-#define LAMMPS_VERSION "26 Jan 2012"
+#define LAMMPS_VERSION "27 Jan 2012"