diff --git a/packages/angular_devkit/build_angular/src/tools/webpack/plugins/common-js-usage-warn-plugin.ts b/packages/angular_devkit/build_angular/src/tools/webpack/plugins/common-js-usage-warn-plugin.ts
index 2374243b3121..59e56bf7abfb 100644
--- a/packages/angular_devkit/build_angular/src/tools/webpack/plugins/common-js-usage-warn-plugin.ts
+++ b/packages/angular_devkit/build_angular/src/tools/webpack/plugins/common-js-usage-warn-plugin.ts
@@ -11,10 +11,10 @@ import { Compilation, Compiler, Dependency, Module, NormalModule } from 'webpack
 import { addWarning } from '../../../utils/webpack-diagnostics';
 
 // Webpack doesn't export these so the deep imports can potentially break.
-const AMDDefineDependency = require('webpack/lib/dependencies/AMDDefineDependency');
-const CommonJsExportsDependency = require('webpack/lib/dependencies/CommonJsExportsDependency');
-const CommonJsRequireDependency = require('webpack/lib/dependencies/CommonJsRequireDependency');
-const CommonJsSelfReferenceDependency = require('webpack/lib/dependencies/CommonJsSelfReferenceDependency');
+const AMDDefineDependency = require('webpack/lib/dependencies/amd/AMDDefineDependency');
+const CommonJsExportsDependency = require('webpack/lib/dependencies/commonjs/CommonJsExportsDependency');
+const CommonJsRequireDependency = require('webpack/lib/dependencies/commonjs/CommonJsRequireDependency');
+const CommonJsSelfReferenceDependency = require('webpack/lib/dependencies/commonjs/CommonJsSelfReferenceDependency');
 
 export interface CommonJsUsageWarnPluginOptions {
   /** A list of CommonJS or AMD packages that are allowed to be used without a warning. Use `'*'` to allow all. */
diff --git a/packages/angular_devkit/build_angular/src/tools/webpack/plugins/named-chunks-plugin.ts b/packages/angular_devkit/build_angular/src/tools/webpack/plugins/named-chunks-plugin.ts
index bc838b2f6a3a..417d11484ef7 100644
--- a/packages/angular_devkit/build_angular/src/tools/webpack/plugins/named-chunks-plugin.ts
+++ b/packages/angular_devkit/build_angular/src/tools/webpack/plugins/named-chunks-plugin.ts
@@ -9,7 +9,7 @@
 import { AsyncDependenciesBlock, Chunk, Compiler, Template, dependencies } from 'webpack';
 
 // `ImportDependency` is not part of Webpack's depenencies typings.
-const ImportDependency: typeof dependencies.ModuleDependency = require('webpack/lib/dependencies/ImportDependency');
+const ImportDependency: typeof dependencies.ModuleDependency = require('webpack/lib/dependencies/import/ImportDependency');
 
 const PLUGIN_NAME = 'named-chunks-plugin';