diff --git a/eslint.config.js b/eslint.config.js
index a558eb0..d5e3b4d 100644
--- a/eslint.config.js
+++ b/eslint.config.js
@@ -12,6 +12,7 @@ export default tseslint.config(
   eslintConfigPrettier,
   {
     rules: {
+      '@typescript-eslint/explicit-function-return-type': 'error',
       '@typescript-eslint/consistent-type-definitions': ['error', 'type'],
       '@typescript-eslint/consistent-indexed-object-style': ['error', 'index-signature'],
     },