diff --git a/package.json b/package.json
index 58f4c94..2a4e7d2 100644
--- a/package.json
+++ b/package.json
@@ -46,7 +46,7 @@
   "homepage": "https://github.com/abraham/reflection#readme",
   "devDependencies": {
     "pkg-ok": "^3.0.0",
-    "@types/jest": "^29.1.1",
+    "@types/jest": "^29.0.0",
     "@typescript-eslint/eslint-plugin": "^5.0.0",
     "@typescript-eslint/parser": "^5.0.0",
     "eslint": "^8.0.0",
@@ -54,8 +54,8 @@
     "eslint-plugin-jest": "^27.0.0",
     "jest": "^29.0.0",
     "prettier": "^2.0.0",
-    "rimraf": "^4.1.2",
-    "rollup": "^2.0.0",
+    "rimraf": "^4.0.0",
+    "rollup": "^3.0.0",
     "ts-jest": "^29.0.0",
     "typescript": "^4.0.0"
   },
@@ -77,14 +77,6 @@
       "node"
     ]
   },
-  "rollup": {
-    "input": "dist/index.js",
-    "output": {
-      "file": "dist/index.umd.cjs",
-      "format": "umd",
-      "name": "@abraham/reflection"
-    }
-  },
   "eslintConfig": {
     "root": true,
     "parser": "@typescript-eslint/parser",
diff --git a/rollup.config.js b/rollup.config.js
deleted file mode 100644
index e736895..0000000
--- a/rollup.config.js
+++ /dev/null
@@ -1 +0,0 @@
-export { rollup as default } from './package.json';
diff --git a/rollup.config.mjs b/rollup.config.mjs
new file mode 100644
index 0000000..30b87b6
--- /dev/null
+++ b/rollup.config.mjs
@@ -0,0 +1,8 @@
+export default {
+  input: 'dist/index.js',
+  output: {
+    file: 'dist/index.umd.cjs',
+    format: 'umd',
+    name: '@abraham/reflection',
+  },
+};