diff --git a/packages/angular_devkit/build_angular/package.json b/packages/angular_devkit/build_angular/package.json
index ec554f4708..7657fbb2c8 100644
--- a/packages/angular_devkit/build_angular/package.json
+++ b/packages/angular_devkit/build_angular/package.json
@@ -37,7 +37,7 @@
     "postcss-loader": "3.0.0",
     "raw-loader": "1.0.0",
     "rxjs": "6.4.0",
-    "sass": "1.17.4",
+    "sass": "1.18.0",
     "sass-loader": "7.1.0",
     "semver": "6.0.0",
     "source-map-support": "0.5.11",
diff --git a/yarn.lock b/yarn.lock
index 8e728591ab..80373c38db 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8067,10 +8067,10 @@ sass-loader@7.1.0:
     pify "^3.0.0"
     semver "^5.5.0"
 
-sass@1.17.4:
-  version "1.17.4"
-  resolved "https://registry.yarnpkg.com/sass/-/sass-1.17.4.tgz#b65b9d11f5cef9b96d6c44566ab91d6357210dbd"
-  integrity sha512-NM/RkY54d6C5xJMWk7Z+p0/TfIB71/46/T335Egc0O3G+NeKKVFz1s9EwBlekRnYq3fUCTsbk0zPNMpee5LIdA==
+sass@1.18.0:
+  version "1.18.0"
+  resolved "https://registry.yarnpkg.com/sass/-/sass-1.18.0.tgz#f34371c31e268e555c2ac8e43d2b64d194e7d090"
+  integrity sha512-Mc579V+BhH693tqt+lvph+gmRqmC6BjtsEVsjkW1944DEA5a0wPuCi781hL3fY4EDuqZnEVPbu42CZRywwE97g==
   dependencies:
     chokidar "^2.0.0"