diff --git a/README.md b/README.md
index e2aa7b64..7e6114cd 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,10 @@
 [English](/README_en.md) [Korean](/README_ko.md)
 
 ## What's New!
+- v.1.5.3.17c
+  implement fcpe in RVC
+  warning: not stable 
+
 - v.1.5.3.17b
   - bugfix:
     - clear setting