diff --git a/ROADMAP.md b/ROADMAP.md
index 94a3ef0..7865e7f 100644
--- a/ROADMAP.md
+++ b/ROADMAP.md
@@ -135,7 +135,7 @@
 - [X] "no-iterator"
 - [ ] "no-label-var"
 - [X] "no-labels"
-- [ ] "no-lone-blocks"
+- [X] "no-lone-blocks"
 - [ ] "no-lonely-if"
 - [ ] "no-loop-func"
 - [X] "no-magic-numbers"
diff --git a/src/rules/default.json b/src/rules/default.json
index e50530f..8f2d02a 100644
--- a/src/rules/default.json
+++ b/src/rules/default.json
@@ -254,6 +254,9 @@
   "no-labels": [
     "error"
   ],
+  "no-lone-blocks": [
+    "error"
+  ],
   "no-magic-numbers": [
     "warn",
     {