diff --git a/aio/angular.json b/aio/angular.json
index 78e9bc5ca3..261fb3574f 100644
--- a/aio/angular.json
+++ b/aio/angular.json
@@ -1,5 +1,9 @@
 {
+  "$schema": "./node_modules/@angular-devkit/core/src/workspace/workspace-schema.json",
   "version": 1,
+  "cli": {
+    "packageManager": "yarn"
+  },
   "newProjectRoot": "projects",
   "projects": {
     "site": {
diff --git a/integration/cli-hello-world/angular.json b/integration/cli-hello-world/angular.json
index 2cdef70da5..bc8ce2b0cc 100644
--- a/integration/cli-hello-world/angular.json
+++ b/integration/cli-hello-world/angular.json
@@ -1,5 +1,9 @@
 {
+  "$schema": "./node_modules/@angular-devkit/core/src/workspace/workspace-schema.json",
   "version": 1,
+  "cli": {
+    "packageManager": "yarn"
+  },
   "newProjectRoot": "projects",
   "projects": {
     "cli-hello-world": {