diff --git a/package.json b/package.json
index cf5de04..ac50e17 100644
--- a/package.json
+++ b/package.json
@@ -70,13 +70,11 @@
       "stylelint-config-property-sort-order-smacss"
     ],
     "rules": {
-      "max-nesting-depth": [
-        2,
+      "max-nesting-depth": 2,
+      "selector-class-pattern": [
+        "^([a-z][a-z0-9]*)(-[a-z0-9]+)*((__([a-z][a-z0-9]*)(-[a-z0-9]+)*)?(--([a-z][a-z0-9]*)(-[a-z0-9]+)*)?)$",
         {
-          "ignore": [
-            "blockless-at-rules",
-            "pseudo-classes"
-          ]
+          "message": "Expected class pattern to be BEM style"
         }
       ],
       "import-notation": null,