diff --git a/collection.json b/collection.json
index 6e413a26..399f2435 100644
--- a/collection.json
+++ b/collection.json
@@ -3,7 +3,7 @@
     "schematics": {
       "ng-add": {
         "description": "Builder to analyze package using source-map-explorer",
-        "factory": "./ng-add/index",
+        "factory": "./ng-add/index#ngAdd",
         "schema": "./ng-add/schema.json",
         "aliases": [
           "install"
diff --git a/ng-add/index.ts b/ng-add/index.ts
index 1a1cc03c..d0f0f0a5 100644
--- a/ng-add/index.ts
+++ b/ng-add/index.ts
@@ -1,18 +1,17 @@
-import { Rule, SchematicContext, SchematicsException, Tree } from '@angular-devkit/schematics';
-import { getWorkspace, getWorkspacePath, ProjectType, WorkspaceProject } from 'schematics-utilities';
+import { TargetDefinition } from '@angular-devkit/core/src/workspace';
+import { chain, Rule, SchematicsException, Tree } from '@angular-devkit/schematics';
 import { NgAddOptions } from './schema';
+import { getWorkspace, updateWorkspace } from './workspace';
 
 
-export function sourceMapBuilder(options: NgAddOptions): Rule {
-    return (tree: Tree, _context: SchematicContext) => {
-        // get the workspace details
-        const workspaceSchema = getWorkspace(tree);
-        const workspacePath: string = getWorkspacePath(tree);
+export function ngAdd(options: NgAddOptions): Rule {
+    return async (host: Tree) => {
+        const workspace = await getWorkspace(host);
 
-        // getting project name
+        // Get project name 
         if (!options.project) {
-            if (workspaceSchema && workspaceSchema.defaultProject) {
-                options.project = workspaceSchema.defaultProject;
+            if (workspace.extensions.defaultProject) {
+                options.project = workspace.extensions.defaultProject as string;
             } else {
                 throw new SchematicsException(
                     'No Angular project selected and no default project in the workspace'
@@ -21,45 +20,32 @@ export function sourceMapBuilder(options: NgAddOptions): Rule {
         }
 
         // Validating project name
-        const project: WorkspaceProject<ProjectType.Application> = workspaceSchema.projects[options.project];
+        const project = workspace.projects.get(options.project);
         if (!project) {
-            throw new SchematicsException(
-                'The specified Angular project is not defined in this workspace'
-            );
+            throw new SchematicsException(`The specified Angular project is not defined in this workspace`);
         }
 
         // Checking if it is application
-        if (project.projectType !== 'application') {
-            throw new SchematicsException(
-                `source-map-analyzer requires an Angular project type of "application" in angular.json`
-            );
+        if (project.extensions['projectType'] !== 'application') {
+            throw new SchematicsException(`source-map-analyzer requires an Angular project type of "application" in angular.json`);
         }
+        
+        const outputPath: string | undefined = project.targets.get('build')?.options?.outputPath as string;
 
-        // Getting output path from Angular.json
-        if (
-            !project.architect ||
-            !project.architect.build ||
-            !project.architect.build.options ||
-            !project.architect.build.options.outputPath
-        ) {
-            throw new SchematicsException(
-                `Cannot read the output path(architect.build.options.outputPath) of the Angular project "${options.project}" in angular.json`
-            );
+        if (!outputPath) {
+            const message: string = `Cannot read the output path(architect.build.options.outputPath) of the Angular project "${options.project}" in angular.json`;
+            throw new SchematicsException(message);
         }
 
-        // adding deploy statement for builder
-        project.architect['analyze'] = {
-            "builder": "@ngx-builders/analyze:analyze",
-            "options": {
-                "outputPath": project.architect.build.options.outputPath
+        var targetDefinition: TargetDefinition = {
+            builder: "@ngx-builders/analyze:analyze",
+            options: {
+                outputPath: outputPath
             }
         }
 
-        tree.overwrite(workspacePath, JSON.stringify(workspaceSchema, null, 2));
-        return tree;
-    };
-}
+        project.targets.add({ name: 'analyze', ...targetDefinition });
 
-export default function (options: NgAddOptions): Rule {
-    return sourceMapBuilder(options)
+        return chain([updateWorkspace(workspace)]);
+    };
 }
diff --git a/ng-add/schema.ts b/ng-add/schema.ts
index 5f9af5a8..b597c694 100644
--- a/ng-add/schema.ts
+++ b/ng-add/schema.ts
@@ -1,5 +1,3 @@
 export interface NgAddOptions {
     project: string | undefined;
-    siteID: string;
-    netlifyToken: string;
 }
diff --git a/ng-add/workspace.ts b/ng-add/workspace.ts
new file mode 100644
index 00000000..4c972690
--- /dev/null
+++ b/ng-add/workspace.ts
@@ -0,0 +1,64 @@
+import { virtualFs, workspaces } from '@angular-devkit/core';
+import { noop, Rule, SchematicsException, Tree } from '@angular-devkit/schematics';
+
+/* Below code reference is taken from Angular CLI project. 
+  https://github.com/angular/angular-cli/blob/master/packages/schematics/angular/utility/workspace.ts
+
+  These methods are not part of public APIs so we should not be referencing those methods.
+  that's why added below method here.
+*/
+
+function createHost(tree: Tree): workspaces.WorkspaceHost {
+    return {
+        async readFile(path: string): Promise<string> {
+            const data = tree.read(path);
+            if (!data) {
+                throw new SchematicsException('File not found.');
+            }
+            return virtualFs.fileBufferToString(data);
+        },
+        async writeFile(path: string, data: string): Promise<void> {
+            return tree.overwrite(path, data);
+        },
+        async isDirectory(path: string): Promise<boolean> {
+            return !tree.exists(path) && tree.getDir(path).subfiles.length > 0;
+        },
+        async isFile(path: string): Promise<boolean> {
+            return tree.exists(path);
+        },
+    };
+}
+
+export async function getWorkspace(tree: Tree, path = '/') : Promise<workspaces.WorkspaceDefinition> {
+    const host = createHost(tree);
+    const { workspace } = await workspaces.readWorkspace(path, host);
+    return workspace;
+}
+
+export function updateWorkspace(
+    updater: (workspace: workspaces.WorkspaceDefinition) => void | Rule | PromiseLike<void | Rule>,
+  ): Rule;
+  export function updateWorkspace(workspace: workspaces.WorkspaceDefinition): Rule;
+  export function updateWorkspace(
+    updaterOrWorkspace:
+      | workspaces.WorkspaceDefinition
+      | ((workspace: workspaces.WorkspaceDefinition) => void | Rule | PromiseLike<void | Rule>),
+  ): Rule {
+    return async (tree: Tree) => {
+      const host = createHost(tree);
+  
+      if (typeof updaterOrWorkspace === 'function') {
+        const { workspace } = await workspaces.readWorkspace('/', host);
+  
+        const result = await updaterOrWorkspace(workspace);
+  
+        await workspaces.writeWorkspace(workspace, host);
+  
+        return result || noop;
+      } else {
+        await workspaces.writeWorkspace(updaterOrWorkspace, host);
+  
+        return noop;
+      }
+    };
+  }
\ No newline at end of file
diff --git a/package.json b/package.json
index 5dbd743c..2773ab83 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@ngx-builders/analyze",
-  "version": "3.0.0",
-  "description": "",
+  "version": "3.0.1",
+  "description": "Angular Builder To Run Source Map Explorer",
   "main": "index.js",
   "builders": "./builders.json",
   "schematics": "./collection.json",
@@ -43,6 +43,6 @@
   "dependencies": {
     "@angular-devkit/architect": "0.1300.0",
     "@angular-devkit/core": "13.0.0",
-    "schematics-utilities": "2.0.3"
+    "@angular-devkit/schematics": "^13.0.0"
   }
 }