diff --git a/package.json b/package.json
index b0e26b9..11aa284 100644
--- a/package.json
+++ b/package.json
@@ -36,6 +36,7 @@
   },
   "homepage": "https://github.com/esm-bundle/chai#readme",
   "devDependencies": {
+    "@rollup/plugin-commonjs": "^15.0.0",
     "@rollup/plugin-node-resolve": "9.0.0",
     "chai": "4.2.0",
     "esm-bundle-scripts": "1.2.0"
diff --git a/rollup.config.js b/rollup.config.js
index 24647ad..afd0d2a 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -2,16 +2,40 @@ import commonjs from "@rollup/plugin-commonjs";
 import { terser } from "rollup-plugin-terser";
 import { nodeResolve } from "@rollup/plugin-node-resolve";
 
+const chaiModule = require("chai/chai.js");
+const namedExports = Object.keys(chaiModule).join(", ");
+
 function createConfig(format) {
   const dir = format === "module" ? "esm" : format;
   return {
-    input: require.resolve("chai"),
+    input: "input.js",
+
     output: {
       file: `${dir}/chai.js`,
       sourcemap: true,
       format,
     },
-    plugins: [nodeResolve(), commonjs(), terser()],
+    plugins: [
+      {
+        resolveId(id) {
+          if (id === "input.js") {
+            return id;
+          }
+        },
+
+        load(id) {
+          if (id === "input.js") {
+            return `
+              import * as chai from 'chai/chai.js'; 
+              const { ${namedExports} } = chai;
+              export { ${namedExports} };`;
+          }
+        },
+      },
+      nodeResolve(),
+      commonjs(),
+      terser(),
+    ],
   };
 }
 
diff --git a/yarn.lock b/yarn.lock
index 0ea15af..144fb13 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -580,6 +580,19 @@
     magic-string "^0.25.2"
     resolve "^1.11.0"
 
+"@rollup/plugin-commonjs@^15.0.0":
+  version "15.0.0"
+  resolved "https://registry.yarnpkg.com/@rollup/plugin-commonjs/-/plugin-commonjs-15.0.0.tgz#690d15a9d54ba829db93555bff9b98ff34e08574"
+  integrity sha512-8uAdikHqVyrT32w1zB9VhW6uGwGjhKgnDNP4pQJsjdnyF4FgCj6/bmv24c7v2CuKhq32CcyCwRzMPEElaKkn0w==
+  dependencies:
+    "@rollup/pluginutils" "^3.1.0"
+    commondir "^1.0.1"
+    estree-walker "^2.0.1"
+    glob "^7.1.6"
+    is-reference "^1.2.1"
+    magic-string "^0.25.7"
+    resolve "^1.17.0"
+
 "@rollup/plugin-node-resolve@9.0.0":
   version "9.0.0"
   resolved "https://registry.yarnpkg.com/@rollup/plugin-node-resolve/-/plugin-node-resolve-9.0.0.tgz#39bd0034ce9126b39c1699695f440b4b7d2b62e6"
@@ -700,6 +713,11 @@
   resolved "https://registry.yarnpkg.com/@types/color-name/-/color-name-1.1.1.tgz#1c1261bbeaa10a8055bbc5d8ab84b7b2afc846a0"
   integrity sha512-rr+OQyAjxze7GgWrSaJwydHStIhHq2lvY3BOC2Mj7KnzI7XK0Uw1TOOdI9lDoajEbSWLiYgoo4f1R51erQfhPQ==
 
+"@types/estree@*":
+  version "0.0.45"
+  resolved "https://registry.yarnpkg.com/@types/estree/-/estree-0.0.45.tgz#e9387572998e5ecdac221950dab3e8c3b16af884"
+  integrity sha512-jnqIUKDUqJbDIUxm0Uj7bnlMnRm1T/eZ9N+AVMqhPgzrba2GhGG5o/jCTwmdPK709nEZsGoMzXEDUjcXHa3W0g==
+
 "@types/estree@0.0.39":
   version "0.0.39"
   resolved "https://registry.yarnpkg.com/@types/estree/-/estree-0.0.39.tgz#e177e699ee1b8c22d23174caaa7422644389509f"
@@ -2110,6 +2128,11 @@ estree-walker@^1.0.1:
   resolved "https://registry.yarnpkg.com/estree-walker/-/estree-walker-1.0.1.tgz#31bc5d612c96b704106b477e6dd5d8aa138cb700"
   integrity sha512-1fMXF3YP4pZZVozF8j/ZLfvnR8NSIljt56UhbZ5PeeDmmGHpgpdwQt7ITlGvYaQukCvuBRMLEiKiYC+oeIg4cg==
 
+estree-walker@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/estree-walker/-/estree-walker-2.0.1.tgz#f8e030fb21cefa183b44b7ad516b747434e7a3e0"
+  integrity sha512-tF0hv+Yi2Ot1cwj9eYHtxC0jB9bmjacjQs6ZBTj82H8JwUywFuc+7E83NWfNMwHXZc11mjfFcVXPe9gEP4B8dg==
+
 esutils@^2.0.2:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/esutils/-/esutils-2.0.3.tgz#74d2eb4de0b8da1293711910d50775b9b710ef64"
@@ -2520,7 +2543,7 @@ glob@7.1.3:
     once "^1.3.0"
     path-is-absolute "^1.0.0"
 
-glob@^7.0.0, glob@^7.1.1, glob@^7.1.2, glob@^7.1.3, glob@^7.1.4:
+glob@^7.0.0, glob@^7.1.1, glob@^7.1.2, glob@^7.1.3, glob@^7.1.4, glob@^7.1.6:
   version "7.1.6"
   resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.6.tgz#141f33b81a7c2492e125594307480c46679278a6"
   integrity sha512-LwaxwyZ72Lk7vZINtNNrywX0ZuLyStrdDtabefZKAY5ZGJhVtgdznluResxNmPitE0SAO+O26sWTHeKSI2wMBA==
@@ -3073,6 +3096,13 @@ is-reference@^1.1.2:
   dependencies:
     "@types/estree" "0.0.39"
 
+is-reference@^1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/is-reference/-/is-reference-1.2.1.tgz#8b2dac0b371f4bc994fdeaba9eb542d03002d0b7"
+  integrity sha512-U82MsXXiFIrjCK4otLT+o2NA2Cd2g5MLoOVXUZjIOhLurrRxpEXzI8O0KZHr3IjLvlAH1kTPYSuqer5T9ZVBKQ==
+  dependencies:
+    "@types/estree" "*"
+
 is-regex@^1.0.5:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/is-regex/-/is-regex-1.0.5.tgz#39d589a358bf18967f726967120b8fc1aed74eae"
@@ -3864,7 +3894,7 @@ macos-release@^2.2.0:
   resolved "https://registry.yarnpkg.com/macos-release/-/macos-release-2.3.0.tgz#eb1930b036c0800adebccd5f17bc4c12de8bb71f"
   integrity sha512-OHhSbtcviqMPt7yfw5ef5aghS2jzFVKEFyCJndQt2YpSQ9qRVSEv2axSJI1paVThEu+FFGs584h/1YhxjVqajA==
 
-magic-string@^0.25.2:
+magic-string@^0.25.2, magic-string@^0.25.7:
   version "0.25.7"
   resolved "https://registry.yarnpkg.com/magic-string/-/magic-string-0.25.7.tgz#3f497d6fd34c669c6798dcb821f2ef31f5445051"
   integrity sha512-4CrMT5DOHTDk4HYDlzmwu4FVCcIYI8gauveasrdCu2IKIFOJ3f0v/8MDGJCDL9oD2ppz/Av1b0Nj345H9M+XIA==