diff --git a/samples/databases/wide-world-importers/wwi-app/wwwroot/lib/webcomponentsjs/package-lock.json b/samples/databases/wide-world-importers/wwi-app/wwwroot/lib/webcomponentsjs/package-lock.json
index 27a94dbe..b7e7f52b 100644
--- a/samples/databases/wide-world-importers/wwi-app/wwwroot/lib/webcomponentsjs/package-lock.json
+++ b/samples/databases/wide-world-importers/wwi-app/wwwroot/lib/webcomponentsjs/package-lock.json
@@ -1483,12 +1483,30 @@
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diff --git a/samples/databases/wide-world-importers/wwi-app/wwwroot/lib/webcomponentsjs/package.json b/samples/databases/wide-world-importers/wwi-app/wwwroot/lib/webcomponentsjs/package.json
index 95b1cdfe..ad4f45d0 100644
--- a/samples/databases/wide-world-importers/wwi-app/wwwroot/lib/webcomponentsjs/package.json
+++ b/samples/databases/wide-world-importers/wwi-app/wwwroot/lib/webcomponentsjs/package.json
@@ -38,8 +38,8 @@
     "es6-promise": "^4.1.1",
     "eslint": "^4.13.1",
     "google-closure-compiler": "^20171203.0.0",
-    "gulp": "^3.8.8",
-    "gulp-add-src": "^0.2.0",
+    "gulp": "^4.0.2",
+    "gulp-add-src": "^1.0.0",
     "gulp-header": "^1.8.9",
     "gulp-rename": "^1.2.2",
     "gulp-sourcemaps": "^2.4.1",