diff --git a/CHANGELOG.md b/CHANGELOG.md
index ca2e26a..3a8d8cf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,7 @@
 # Prometheus 2 Changelog
 
+## Project out-of-date. Do not use.
+
 ## [2.0.0]
 
 - Converted to Gulp 4