diff --git a/package.json b/package.json
index fcaa8dff775fc6b1b3e197e6e4c275386e65aee0..afdc97da950d01cdc3f988777dfe60c453600368 100644
--- a/package.json
+++ b/package.json
@@ -23,6 +23,7 @@
   "author": "",
   "license": "ISC",
   "devDependencies": {
+    "@angular-devkit/schematics": "^9.0.1",
     "@angular/animations": "^7.2.15",
     "@angular/cdk": "^7.3.7",
     "@angular/cdk-experimental": "^7.3.7",