diff --git a/readme.md b/readme.md
index 245e650..8992169 100644
--- a/readme.md
+++ b/readme.md
@@ -182,8 +182,8 @@ versions of Node.js.
 
 When we cut a new major release, we drop support for unmaintained versions of
 Node.
-This means we try to keep the current release line, `vfile-reporter-json@^3`,
-compatible with Node.js 12.
+This means we try to keep the current release line, `vfile-reporter-json@^4`,
+compatible with Node.js 16.
 
 ## Contribute
 
diff --git a/tsconfig.json b/tsconfig.json
index 870d82c..82cc749 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -5,10 +5,10 @@
     "declaration": true,
     "emitDeclarationOnly": true,
     "exactOptionalPropertyTypes": true,
-    "lib": ["es2020"],
+    "lib": ["es2022"],
     "module": "node16",
     "strict": true,
-    "target": "es2020"
+    "target": "es2022"
   },
   "exclude": ["coverage/", "node_modules/"],
   "include": ["**/*.js"]