diff --git a/packages/fxa-auth-server/package.json b/packages/fxa-auth-server/package.json
index c4767632097..bad097c8875 100644
--- a/packages/fxa-auth-server/package.json
+++ b/packages/fxa-auth-server/package.json
@@ -181,7 +181,7 @@
     "grunt-contrib-copy": "1.0.0",
     "grunt-contrib-watch": "^1.1.0",
     "grunt-copyright": "0.3.0",
-    "grunt-eslint": "^23.0.0",
+    "grunt-eslint": "^24.0.0",
     "grunt-newer": "1.3.0",
     "jsxgettext-recursive-next": "1.1.0",
     "jws": "4.0.0",
diff --git a/packages/fxa-customs-server/package.json b/packages/fxa-customs-server/package.json
index 386eff71631..1267574f2bc 100644
--- a/packages/fxa-customs-server/package.json
+++ b/packages/fxa-customs-server/package.json
@@ -49,7 +49,7 @@
     "grunt": "^1.5.3",
     "grunt-cli": "^1.4.3",
     "grunt-copyright": "0.3.0",
-    "grunt-eslint": "^23.0.0",
+    "grunt-eslint": "^24.0.0",
     "load-grunt-tasks": "^5.1.0",
     "pm2": "^5.1.2",
     "prettier": "^2.3.1",