diff --git a/known/README.md b/known/README.md
index 5301156ca..e0efa4a4b 100644
--- a/known/README.md
+++ b/known/README.md
@@ -14,6 +14,10 @@ WARNING:
 
 -->
 
+# **DEPRECATION NOTICE**
+
+This image is deprecated due to inactivity (last updated Aug 2018; [docker-library/official-images#4670](https://github.com/docker-library/official-images/pull/4670)).
+
 # Quick reference
 
 -	**Maintained by**: