diff --git a/README.md b/README.md
index 7863f7fe7d09d6b8a4f230ee8d3b1185d227ce58..09668cf9708f1ed8bed23151d45dcf121fd8b25e 100644
--- a/README.md
+++ b/README.md
@@ -58,6 +58,10 @@ For more details, see [Public Repository](https://hub.docker.com/r/codelibs/fess
 
 Please see [MIGRATION.md](https://github.com/codelibs/fess/blob/master/MIGRATION.md).
 
+## X-Pack Support
+
+Please see [fess-xpack](https://github.com/codelibs/fess-xpack).
+
 ## Localization
 
 ### Japanese