diff --git a/.formatter.exs b/.formatter.exs
index e676bbbb34..51047bc330 100644
--- a/.formatter.exs
+++ b/.formatter.exs
@@ -1,5 +1,10 @@
 [
   inputs: [
-    "mix.exs", "{config,lib,test}/**/*.{ex,exs}"
+    ".credo.exs",
+    ".formatter.exs",
+    "apps/*/mix.exs",
+    "apps/*/{config,lib,test}/**/*.{ex,exs}",
+    "mix.exs",
+    "{config}/**/*.{ex,exs}"
   ]
 ]