diff --git a/package.json b/package.json
index e584780da..da13e01f2 100644
--- a/package.json
+++ b/package.json
@@ -22,6 +22,10 @@
     "**/*.{js,ts,vue}": [
       "eslint --fix",
       "prettier --write"
+    ],
+    "**/*.{ex,exs,eex,heex}": [
+      "mix format",
+      "mix credo"
     ]
   },
   "dependencies": {