diff --git a/.prettierrc.js b/.prettierrc.js
index 16d8927169..df8d863ae4 100644
--- a/.prettierrc.js
+++ b/.prettierrc.js
@@ -1,3 +1,5 @@
+'use strict';
+
 const {esNextPaths} = require('./scripts/shared/pathsByLanguageVersion');
 
 module.exports = {