diff --git a/mozilla-release/tools/lint/eslint/eslint-plugin-mozilla/package-lock.json b/mozilla-release/tools/lint/eslint/eslint-plugin-mozilla/package-lock.json
index 94082733449..bd94dfc35f5 100644
--- a/mozilla-release/tools/lint/eslint/eslint-plugin-mozilla/package-lock.json
+++ b/mozilla-release/tools/lint/eslint/eslint-plugin-mozilla/package-lock.json
@@ -25,9 +25,9 @@
       }
     },
     "acorn": {
-      "version": "6.2.0",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.2.0.tgz",
-      "integrity": "sha512-8oe72N3WPMjA+2zVG71Ia0nXZ8DpQH+QyyHO+p06jT8eg8FGG3FbcUIi8KziHlAfheJQZeoqbvq1mQSQHXKYLw==",
+      "version": "6.4.1",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.1.tgz",
+      "integrity": "sha512-ZVA9k326Nwrj3Cj9jlh3wGFutC2ZornPNARZwsNYqQYgN0EsV2d53w5RN/co65Ohn4sUAUtb1rSUAOD6XN9idA==",
       "dev": true
     },
     "acorn-jsx": {