diff --git a/cobalt/version.h b/cobalt/version.h
index 95464e841f52..edea892b3409 100644
--- a/cobalt/version.h
+++ b/cobalt/version.h
@@ -35,6 +35,6 @@
 //                  release is cut.
 //.
 
-#define COBALT_VERSION "25.master.0"
+#define COBALT_VERSION "25.lts.1"
 
 #endif  // COBALT_VERSION_H_