diff --git a/.eslintrc.json b/.eslintrc.json
index 6dc72e1..755912e 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -1,5 +1,5 @@
 {
-  "extends": ["eslint:recommended"],
+  "extends": ["eslint:recommended", "plugin:optimal-modules/recommended"],
   "env": {
     "es2022": true,
     "node": true,
diff --git a/changelog.md b/changelog.md
index 851b2d2..d5626a7 100644
--- a/changelog.md
+++ b/changelog.md
@@ -65,6 +65,7 @@
 
 - Updated dev dependencies.
 - Simplified dev dependencies and config for ESLint.
+- Integrated the ESLint plugin [`eslint-plugin-optimal-modules`](https://npm.im/eslint-plugin-optimal-modules).
 - Check TypeScript types via a new package `types` script.
 - Removed the [`jsdoc-md`](https://npm.im/jsdoc-md) dev dependency and the related package scripts, replacing the readme “API” section with a manually written “Exports” section.
 - Updated GitHub Actions CI config:
diff --git a/package.json b/package.json
index 35a2ccf..c446c06 100644
--- a/package.json
+++ b/package.json
@@ -54,6 +54,7 @@
     "coverage-node": "^8.0.0",
     "esbuild": "^0.19.5",
     "eslint": "^8.52.0",
+    "eslint-plugin-optimal-modules": "^1.0.2",
     "eslint-plugin-simple-import-sort": "^10.0.0",
     "graphql": "^16.8.1",
     "graphql-tag": "^2.12.6",