diff --git a/src/tube-defs.h b/src/tube-defs.h
index 28e0f982..af494d81 100644
--- a/src/tube-defs.h
+++ b/src/tube-defs.h
@@ -3,7 +3,7 @@
 #ifndef TUBE_DEFS_H
 #define TUBE_DEFS_H
 
-#define RELEASENAME "Diamondback-rc0"
+#define RELEASENAME "Diamondback-rc1"
 
 #define NDEBUG