diff --git a/ui/.eslintrc.js b/ui/.eslintrc.js
index fcf23b26ac2..66cf9e17aa1 100644
--- a/ui/.eslintrc.js
+++ b/ui/.eslintrc.js
@@ -16,7 +16,7 @@ module.exports = {
     'plugin:cypress/recommended',
     'next',
     'plugin:prettier/recommended',
-],
+  ],
   globals: {
     Atomics: 'readonly',
     SharedArrayBuffer: 'readonly',
@@ -55,6 +55,6 @@ module.exports = {
       },
     ],
     'react/prop-types': 'off',
-    'prettier/prettier': 'warn',
+    'prettier/prettier': ['error', { endOfLine: 'lf' }],
   },
 };
diff --git a/ui/.prettierrc.yml b/ui/.prettierrc.yml
index 1b6b2d6f698..d75e5e04e23 100644
--- a/ui/.prettierrc.yml
+++ b/ui/.prettierrc.yml
@@ -10,3 +10,4 @@ tabWidth: 2
 trailingComma: all
 printWidth: 100
 useTabs: false
+endOfLine: 'lf'