diff --git a/package.json b/package.json
index e790cba..c0e3eac 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
     "e2e:b4": "THEME='bootstrap4' npm run e2e",
     "e2e:b5": "THEME='bootstrap5' npm run e2e",
     "e2e:*": "npm run e2e && npm run e2e:b3 && npm run e2e:b4 && npm run e2e:b5",
-    "e2e:grep": "SHOW=true THEME='bootstrap5' codeceptjs run -c tests/e2e/codecept.conf.js --steps --debug --grep '@if-then-else-nested'",
+    "e2e:grep": "SHOW=true THEME='bootstrap5' codeceptjs run -c tests/e2e/codecept.conf.cjs --steps --debug --grep '@if-then-else-nested'",
     "serve": "reload --port 8282 --browser --watch-dir ./docs --dir ./docs",
     "watch": "webpack --config config/webpack.config.cjs --watch",
     "webpack": "webpack",