diff --git a/rigs/dummy/flrig.h b/rigs/dummy/flrig.h
index 78eec4907..a69e4ae18 100644
--- a/rigs/dummy/flrig.h
+++ b/rigs/dummy/flrig.h
@@ -28,7 +28,7 @@
 #include <sys/time.h>
 #endif
 
-#define BACKEND_VER "20210308"
+#define BACKEND_VER "20210311"
 
 #define EOM "\r"
 #define TRUE 1