diff --git a/src/version.h b/src/version.h
index 8099d3e26c..3ee0aa3f1e 100644
--- a/src/version.h
+++ b/src/version.h
@@ -1 +1 @@
-#define LAMMPS_VERSION "26 Apr 2010"
+#define LAMMPS_VERSION "27 Apr 2010"