diff --git a/README.md b/README.md
index 125a85540..6d3396cec 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,6 @@
 * Please post questions in [Discussions](https://github.com/naver/ngrinder/discussions) not Issues.
 * nGrinder 3.5.5-p1 has been released. See https://github.com/naver/ngrinder/releases
+* Currently, we are working on the internal project not ngrinder. We will resume ngrinder dev from July, 2022.
 
 nGrinder 
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