diff --git a/RULES.md b/RULES.md
index a9401aa..7a53a62 100644
--- a/RULES.md
+++ b/RULES.md
@@ -1,4 +1,4 @@
-This project validates feeds up to version 2.2 of the [JSON Schemas](https://github.com/MobilityData/gbfs-json-schema).
+This project validates feeds up to version 2.3-RC of the [JSON Schemas](https://github.com/MobilityData/gbfs-json-schema).
 # Files presence
 The validator will display a message for all files that are present. A message will be displayed for each missing file. See examples below.