diff --git a/package.json b/package.json
index 8f4365f..dea25e9 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "pub:lib:ngx-bootstrap": "cd dist/ngx-tour-ngx-bootstrap && npm publish",
     "pub:lib:ngx-popper": "cd dist/ngx-tour-ngx-popper && npm publish",
     "pub:lib:md-menu": "cd dist/ngx-tour-md-menu && npm publish",
-    "postinstall": "ngcc"
+    "prepare": "npm run build:lib:core && npm run build:lib:md-menu --legacy-peer-deps"
   },
   "dependencies": {
     "@angular/animations": "^9.1.13",