diff --git a/src/version.h b/src/version.h
index f8578b2515..8099d3e26c 100644
--- a/src/version.h
+++ b/src/version.h
@@ -1 +1 @@
-#define LAMMPS_VERSION "25 Apr 2010"
+#define LAMMPS_VERSION "26 Apr 2010"