diff --git a/lib/index.js b/lib/index.js
index d2dde94..706a3b6 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -2,9 +2,23 @@
 
 const requireIndex = require('requireindex');
 const path = require('path');
+const { name, version } = require('../package.json');
 
 module.exports.rules = requireIndex(path.join(__dirname, 'rules'));
 
+// optional for our current use case but required if we ever want to use
+// -cache and --print-config command line options.
+// https://eslint.org/docs/latest/extend/plugin-migration-flat-config#adding-plugin-meta-information
+module.exports.meta =  {
+  name,
+  version
+},
+
 module.exports.processors = {
-  '.json': require('./processors/json')
+  // .json is from previous versions, so we are leaving it in
+  // for backward compatibility with < v9 eslint versions
+  '.json': require('./processors/json'),
+  // dot prefix is no longer allowed in eslint v9
+  // https://eslint.org/docs/latest/extend/plugin-migration-flat-config#migrating-processors-for-flat-config
+  'json': require('./processors/json')
 };