diff --git a/src/version.h b/src/version.h
index 4b95d1c910..d8a3260c00 100644
--- a/src/version.h
+++ b/src/version.h
@@ -1 +1,2 @@
 #define LAMMPS_VERSION "23 Jun 2022"
+#define LAMMPS_UPDATE "Update 1"