diff --git a/ROADMAP.md b/ROADMAP.md
index 4b50fcc..8929c31 100644
--- a/ROADMAP.md
+++ b/ROADMAP.md
@@ -19,7 +19,7 @@
 - [X] "class-methods-use-this"
 - [X] "comma-dangle"
 - [X] "comma-spacing"
-- [ ] "comma-style"
+- [X] "comma-style"
 - [ ] "complexity"
 - [ ] "computed-property-spacing"
 - [ ] "consistent-return"
diff --git a/src/rules/default.json b/src/rules/default.json
index aad6552..b5f90ed 100644
--- a/src/rules/default.json
+++ b/src/rules/default.json
@@ -48,6 +48,13 @@
       "before": false
     }
   ],
+  "comma-style": [
+    "error",
+    "last",
+    {
+      "exceptions": {}
+    }
+  ],
   "dot-notation": [
     "error",
     {