diff --git a/index.js b/index.js
index ce561b0..59aabb2 100644
--- a/index.js
+++ b/index.js
@@ -6,6 +6,9 @@ module.exports = {
         node: true
     },
     extends: 'eslint:recommended',
+    plugins: [
+        'no-only-tests'
+    ],
     rules: {
         'brace-style': ['error', '1tbs'],
         'camelcase': 'error',
@@ -23,7 +26,8 @@ module.exports = {
         'space-before-blocks': 'error',
         'space-before-function-paren': ['error', {anonymous: 'always', named: 'never'}],
         'space-in-parens': ['error', 'never'],
-        'space-infix-ops': ['error'],
-        'space-unary-ops': ['error']
+        'space-infix-ops': 'error',
+        'space-unary-ops': 'error',
+        'no-only-tests/no-only-tests': 'error'
     }
 };
diff --git a/package.json b/package.json
index 7184190..f16fc45 100644
--- a/package.json
+++ b/package.json
@@ -16,5 +16,8 @@
   "bugs": {
     "url": "https://github.com/cheminfo/eslint-config/issues"
   },
-  "homepage": "https://github.com/cheminfo/eslint-config#readme"
+  "homepage": "https://github.com/cheminfo/eslint-config#readme",
+  "dependencies": {
+    "eslint-plugin-no-only-tests": "^1.1.0"
+  }
 }