diff --git a/package.json b/package.json
index 36e478701..dbf8d5ee5 100644
--- a/package.json
+++ b/package.json
@@ -8,6 +8,14 @@
       "require": "./lib/application.js",
       "import": "./dist/koa.mjs"
     },
+    "./lib/request": "./lib/request.js",
+    "./lib/request.js": "./lib/request.js",
+    "./lib/response": "./lib/response.js",
+    "./lib/response.js": "./lib/response.js",
+    "./lib/application": "./lib/application.js",
+    "./lib/application.js": "./lib/application.js",
+    "./lib/context": "./lib/context.js",
+    "./lib/context.js": "./lib/context.js",
     "./*": "./*.js",
     "./*.js": "./*.js",
     "./package": "./package.json",