diff --git a/package-lock.json b/package-lock.json
index 46a37a4..055fe73 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "@namics/stylelint-bem",
-  "version": "5.1.1",
+  "version": "6.0.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -3969,6 +3969,12 @@
         "semver": "^5.3.0"
       }
     },
+    "normalize-newline": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/normalize-newline/-/normalize-newline-3.0.0.tgz",
+      "integrity": "sha1-HL6oBKukNgAfg5OKsh7AOdaa6dM=",
+      "dev": true
+    },
     "normalize-package-data": {
       "version": "2.5.0",
       "resolved": "https://registry.npmjs.org/normalize-package-data/-/normalize-package-data-2.5.0.tgz",
@@ -4339,6 +4345,17 @@
         "find-up": "^2.1.0"
       }
     },
+    "pkg-ok": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/pkg-ok/-/pkg-ok-2.3.1.tgz",
+      "integrity": "sha512-ObdQTDZO+zUJpljXM5HZdx+354o5qbQUs05oilAp2WisGoAmFw80y4RKMduZOmGpuXV1DWJ7PkZnkybd8QB68g==",
+      "dev": true,
+      "requires": {
+        "chalk": "^2.4.1",
+        "meow": "^5.0.0",
+        "normalize-newline": "^3.0.0"
+      }
+    },
     "please-upgrade-node": {
       "version": "3.1.1",
       "resolved": "https://registry.npmjs.org/please-upgrade-node/-/please-upgrade-node-3.1.1.tgz",
diff --git a/package.json b/package.json
index 0a186f7..0e65d90 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
   },
   "scripts": {
     "lint": "eslint .",
-    "prepublishOnly": "npm test",
+    "prepublishOnly": "npm test && pkg-ok",
     "pretest": "npm run lint",
     "test": "node test"
   },
@@ -54,6 +54,7 @@
     "eslint-plugin-import": "2.17.2",
     "husky": "2.1.0",
     "lint-staged": "8.1.5",
+    "pkg-ok": "2.3.1",
     "stylelint": "10.0.1",
     "stylelint-test-rule-tape": "0.2.0"
   },