title: Collection "@schematics/angular/migrations/migration-collection.json" cannot be resolved
body: <p>I'm trying to update angular version of my project to V6. But I'm getting the following error:</p>
  <pre><code>$ ng update @angular/cli
  </code></pre>
  <blockquote>
  <p>Collection &quot;@schematics/angular/migrations/migration-collection.json&quot; cannot be resolved.</p>
  </blockquote>
  <h3>Package.json:</h3>
  <pre><code>&quot;dependencies&quot;: {
      &quot;@angular/animations&quot;: &quot;^6.0.3&quot;,
      &quot;@angular/common&quot;: &quot;^6.0.3&quot;,
      &quot;@angular/compiler&quot;: &quot;^6.0.3&quot;,
      &quot;@angular/core&quot;: &quot;^6.0.3&quot;,
      &quot;@angular/forms&quot;: &quot;^6.0.3&quot;,
      &quot;@angular/http&quot;: &quot;^6.0.3&quot;,
      &quot;@angular/platform-browser&quot;: &quot;^6.0.3&quot;,
      &quot;@angular/platform-browser-dynamic&quot;: &quot;^6.0.3&quot;,
      &quot;@angular/router&quot;: &quot;^6.0.3&quot;,
      &quot;core-js&quot;: &quot;^2.5.4&quot;,
      &quot;rxjs&quot;: &quot;^6.0.0&quot;,
      &quot;zone.js&quot;: &quot;^0.8.26&quot;,
      &quot;@angular/cdk&quot;: &quot;5.0.0-rc.3&quot;,
      &quot;@angular/flex-layout&quot;: &quot;^2.0.0-beta.12&quot;,
      &quot;@angular/material&quot;: &quot;5.0.0-rc.3&quot;,
      &quot;angular2-json-schema-form&quot;: &quot;^0.7.0-alpha.1&quot;,
      &quot;jsoneditor&quot;: &quot;^5.14.0&quot;
    },
    &quot;devDependencies&quot;: {
      &quot;@angular/compiler-cli&quot;: &quot;^6.0.3&quot;,
      &quot;@angular-devkit/build-angular&quot;: &quot;~0.6.5&quot;,
      &quot;typescript&quot;: &quot;~2.7.2&quot;,
      &quot;@angular/cli&quot;: &quot;~6.0.5&quot;,
      &quot;@angular/language-service&quot;: &quot;^6.0.3&quot;,
      &quot;@types/jasmine&quot;: &quot;~2.8.6&quot;,
      &quot;@types/jasminewd2&quot;: &quot;~2.0.3&quot;,
      &quot;@types/node&quot;: &quot;~8.9.4&quot;,
      &quot;codelyzer&quot;: &quot;~4.2.1&quot;,
      &quot;jasmine-core&quot;: &quot;~2.99.1&quot;,
      &quot;jasmine-spec-reporter&quot;: &quot;~4.2.1&quot;,
      &quot;karma&quot;: &quot;~1.7.1&quot;,
      &quot;karma-chrome-launcher&quot;: &quot;~2.2.0&quot;,
      &quot;karma-coverage-istanbul-reporter&quot;: &quot;~1.4.2&quot;,
      &quot;karma-jasmine&quot;: &quot;~1.1.1&quot;,
      &quot;karma-jasmine-html-reporter&quot;: &quot;^0.2.2&quot;,
      &quot;protractor&quot;: &quot;~5.3.0&quot;,
      &quot;ts-node&quot;: &quot;~5.0.1&quot;,
      &quot;tslint&quot;: &quot;~5.9.1&quot;
    }
  </code></pre>