diff --git a/package.json b/package.json
index 0c4e662..d19a372 100644
--- a/package.json
+++ b/package.json
@@ -31,9 +31,10 @@
     "postest": "npm run cov-html",
     "test-types": "tsc -p test",
     "test-runtime": "karma start test/karma.conf.cjs",
-    "test": "c8 mocha 'test/**/*.spec.{js,cjs}' && npm run test-types",
-    "debug": "mocha --inspect --inspect-brk 'test/**/*.spec.{js,cjs}'",
-    "prepublishOnly": "npm run build && npm run lint && npm run test && npm run test-runtime"
+    "test-commonjs": "c8 mocha 'test/**/*.spec.cjs'",
+    "test": "c8 mocha 'test/**/*.spec.js' && npm run test-types",
+    "debug": "mocha --inspect --inspect-brk 'test/**/*.spec.js'",
+    "prepublishOnly": "npm run build && npm run lint && npm run test && npm run test-commonjs && npm run test-runtime"
   },
   "repository": {
     "type": "git",