diff --git a/packages/angular_devkit/build_angular/package.json b/packages/angular_devkit/build_angular/package.json
index 424daaf35479..53be9bc2fd8d 100644
--- a/packages/angular_devkit/build_angular/package.json
+++ b/packages/angular_devkit/build_angular/package.json
@@ -34,6 +34,7 @@
     "postcss-loader": "3.0.0",
     "raw-loader": "1.0.0",
     "rxjs": "6.4.0",
+    "sass": "1.17.3",
     "sass-loader": "7.1.0",
     "semver": "5.6.0",
     "source-map-support": "0.5.11",
@@ -52,9 +53,6 @@
     "webpack-sources": "1.3.0",
     "webpack-subresource-integrity": "1.1.0-rc.6"
   },
-  "optionalDependencies": {
-    "node-sass": "4.11.0"
-  },
   "devDependencies": {
     "@angular/animations": "^8.0.0-beta.9",
     "@angular/cdk": "^7.3.4",
diff --git a/packages/angular_devkit/build_angular/src/angular-cli-files/models/webpack-configs/styles.ts b/packages/angular_devkit/build_angular/src/angular-cli-files/models/webpack-configs/styles.ts
index c88f0386a2f6..b7e13bb67203 100644
--- a/packages/angular_devkit/build_angular/src/angular-cli-files/models/webpack-configs/styles.ts
+++ b/packages/angular_devkit/build_angular/src/angular-cli-files/models/webpack-configs/styles.ts
@@ -120,14 +120,14 @@ export function getStylesConfig(wco: WebpackConfigOptions) {
     }
   }
 
-  let dartSass: {} | undefined;
+  let sassImplementation: {} | undefined;
+  let fiber: {} | undefined;
   try {
     // tslint:disable-next-line:no-implicit-dependencies
-    dartSass = require('sass');
-  } catch { }
+    sassImplementation = require('node-sass');
+  } catch {
+    sassImplementation = require('sass');
 
-  let fiber: {} | undefined;
-  if (dartSass) {
     try {
       // tslint:disable-next-line:no-implicit-dependencies
       fiber = require('fibers');
@@ -142,7 +142,7 @@ export function getStylesConfig(wco: WebpackConfigOptions) {
       use: [{
         loader: 'sass-loader',
         options: {
-          implementation: dartSass,
+          implementation: sassImplementation,
           fiber,
           sourceMap: cssSourceMap,
           // bootstrap-sass requires a minimum precision of 8
diff --git a/tests/legacy-cli/e2e/tests/build/styles/dart-sass.ts b/tests/legacy-cli/e2e/tests/build/styles/node-sass.ts
similarity index 93%
rename from tests/legacy-cli/e2e/tests/build/styles/dart-sass.ts
rename to tests/legacy-cli/e2e/tests/build/styles/node-sass.ts
index 9bef49828c79..4c9d116a519f 100644
--- a/tests/legacy-cli/e2e/tests/build/styles/dart-sass.ts
+++ b/tests/legacy-cli/e2e/tests/build/styles/node-sass.ts
@@ -29,10 +29,11 @@ export default async function () {
   await replaceInFile('src/app/app.component.ts', './app.component.css', './app.component.scss');
 
   await silentExec('rm', '-rf', 'node_modules/node-sass');
+  await silentExec('rm', '-rf', 'node_modules/sass');
   await expectToFail(() => ng('build', '--extract-css', '--source-map'));
 
-  await silentNpm('install', 'sass');
-  await silentExec('rm', '-rf', 'node_modules/node-sass');
+  await silentNpm('install', 'node-sass');
+  await silentExec('rm', '-rf', 'node_modules/sass');
   await ng('build', '--extract-css', '--source-map');
 
   await expectFileToMatch('dist/test-project/styles.css', /body\s*{\s*background-color: blue;\s*}/);
@@ -42,6 +43,7 @@ export default async function () {
 
   await silentNpm('install', 'node-gyp');
   await silentNpm('install', 'fibers');
+  await silentNpm('install', 'sass');
   await silentExec('rm', '-rf', 'node_modules/node-sass');
   await ng('build', '--extract-css', '--source-map');
 
diff --git a/yarn.lock b/yarn.lock
index f107009421ee..9019eeb8b13b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6355,31 +6355,6 @@ node-sass-tilde-importer@^1.0.0:
   dependencies:
     find-parent-dir "^0.3.0"
 
-node-sass@4.11.0:
-  version "4.11.0"
-  resolved "https://registry.yarnpkg.com/node-sass/-/node-sass-4.11.0.tgz#183faec398e9cbe93ba43362e2768ca988a6369a"
-  integrity sha512-bHUdHTphgQJZaF1LASx0kAviPH7sGlcyNhWade4eVIpFp6tsn7SV8xNMTbsQFpEV9VXpnwTTnNYlfsZXgGgmkA==
-  dependencies:
-    async-foreach "^0.1.3"
-    chalk "^1.1.1"
-    cross-spawn "^3.0.0"
-    gaze "^1.0.0"
-    get-stdin "^4.0.1"
-    glob "^7.0.3"
-    in-publish "^2.0.0"
-    lodash.assign "^4.2.0"
-    lodash.clonedeep "^4.3.2"
-    lodash.mergewith "^4.6.0"
-    meow "^3.7.0"
-    mkdirp "^0.5.1"
-    nan "^2.10.0"
-    node-gyp "^3.8.0"
-    npmlog "^4.0.0"
-    request "^2.88.0"
-    sass-graph "^2.2.4"
-    stdout-stream "^1.4.0"
-    "true-case-path" "^1.0.2"
-
 node-sass@^4.9.3:
   version "4.9.4"
   resolved "https://registry.yarnpkg.com/node-sass/-/node-sass-4.9.4.tgz#349bd7f1c89422ffe7e1e4b60f2055a69fbc5512"
@@ -8076,6 +8051,13 @@ sass-loader@7.1.0:
     pify "^3.0.0"
     semver "^5.5.0"
 
+sass@1.17.3:
+  version "1.17.3"
+  resolved "https://registry.yarnpkg.com/sass/-/sass-1.17.3.tgz#19f9164cf8653b9fca670a64e53285272c96d192"
+  integrity sha512-S4vJawbrNUxJUBiHLXPYUKZCoO6cvq3/3ZFBV66a+PafTxcDEFJB+FHLDFl0P+rUfha/703ajEXMuGTYhJESkQ==
+  dependencies:
+    chokidar "^2.0.0"
+
 sauce-connect-launcher@^1.2.4:
   version "1.2.4"
   resolved "https://registry.yarnpkg.com/sauce-connect-launcher/-/sauce-connect-launcher-1.2.4.tgz#8d38f85242a9fbede1b2303b559f7e20c5609a1c"