diff --git a/libraries/codemirror/eslint.js b/libraries/codemirror/eslint.js
index 8f56bf58c..9efda72ea 100644
--- a/libraries/codemirror/eslint.js
+++ b/libraries/codemirror/eslint.js
@@ -46,7 +46,7 @@
         const errors = new eslint().verify(text, {
             root: true,
             parserOptions: {
-                ecmaVersion: "latest"
+                ecmaVersion: "2019"
             },
             extends: ['eslint:recommended', 'airbnb-base'],
             env: {