diff --git a/ROADMAP.md b/ROADMAP.md
index d28164e..2dd581b 100644
--- a/ROADMAP.md
+++ b/ROADMAP.md
@@ -165,7 +165,7 @@
 - [ ] "no-plusplus"
 - [ ] "no-process-env"
 - [ ] "no-process-exit"
-- [ ] "no-proto"
+- [X] "no-proto"
 - [ ] "no-prototype-builtins"
 - [ ] "no-redeclare"
 - [ ] "no-regex-spaces"
diff --git a/src/rules/default.json b/src/rules/default.json
index d04adf1..404efdc 100644
--- a/src/rules/default.json
+++ b/src/rules/default.json
@@ -305,6 +305,9 @@
   "no-octal-escape": [
     "error"
   ],
+  "no-proto": [
+    "error"
+  ],
   "no-spaced-func": [
     "off"
   ],