diff --git a/runtime/JavaScript/package.json b/runtime/JavaScript/package.json
index 007e7ac436..ad3e3e472d 100644
--- a/runtime/JavaScript/package.json
+++ b/runtime/JavaScript/package.json
@@ -6,7 +6,7 @@
   "browser": "dist/antlr4.web.mjs",
   "main": "dist/antlr4.node.cjs",
   "module": "dist/antlr4.node.mjs",
-  "types": "src/antlr4/index.d.ts",
+  "types": "src/antlr4/index.d.cts",
   "repository": "antlr/antlr4.git",
   "keywords": [
     "lexer",
@@ -15,6 +15,11 @@
     "antlr4",
     "grammar"
   ],
+  "files": [
+    "dist",
+    "src/**/*.d.cts",
+    "src/**/*.d.ts"
+  ],
   "license": "BSD-3-Clause",
   "bugs": {
     "url": "https://github.com/antlr/antlr4/issues"
@@ -51,6 +56,7 @@
   },
   "exports": {
     ".": {
+      "types": "./src/antlr4/index.d.cts",
       "node": {
         "import": "./dist/antlr4.node.mjs",
         "require": "./dist/antlr4.node.cjs",
@@ -60,8 +66,7 @@
         "import": "./dist/antlr4.web.mjs",
         "require": "./dist/antlr4.web.cjs",
         "default": "./dist/antlr4.web.mjs"
-      },
-      "types": "./src/antlr4/index.d.ts"
+      }
     }
   }
 }
diff --git a/runtime/JavaScript/src/antlr4/index.d.ts b/runtime/JavaScript/src/antlr4/index.d.cts
similarity index 68%
rename from runtime/JavaScript/src/antlr4/index.d.ts
rename to runtime/JavaScript/src/antlr4/index.d.cts
index 3c6c9bcf8b..cf0e262bdd 100644
--- a/runtime/JavaScript/src/antlr4/index.d.ts
+++ b/runtime/JavaScript/src/antlr4/index.d.cts
@@ -9,13 +9,13 @@ export * from "./CommonTokenStream";
 export * from "./Recognizer";
 export * from "./Lexer";
 export * from "./Parser";
-export * from './Token';
+export * from "./Token";
 export * from "./atn";
 export * from "./dfa";
 export * from "./context";
-export * from './misc';
-export * from './tree';
-export * from './state';
-export * from './error';
-export * from './utils';
-export * from './TokenStreamRewriter';
+export * from "./misc";
+export * from "./tree";
+export * from "./state";
+export * from "./error";
+export * from "./utils";
+export * from "./TokenStreamRewriter";