diff --git a/.gitignore b/.gitignore
index 67a5f3a..2abb158 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
+/.angular/cache
 dist
 node_modules
 .idea
diff --git a/angular.json b/angular.json
index 667492d..181d3de 100644
--- a/angular.json
+++ b/angular.json
@@ -52,7 +52,6 @@
               "optimization": true,
               "outputHashing": "all",
               "sourceMap": false,
-              "extractCss": true,
               "namedChunks": false,
               "aot": true,
               "extractLicenses": true,
diff --git a/package.json b/package.json
index e4d52c2..a1f4776 100644
--- a/package.json
+++ b/package.json
@@ -12,15 +12,15 @@
   },
   "private": true,
   "dependencies": {
-    "@angular/animations": "^12.2.17",
-    "@angular/common": "^12.2.17",
-    "@angular/compiler": "^12.2.17",
-    "@angular/core": "^12.2.17",
-    "@angular/forms": "^12.2.17",
-    "@angular/platform-browser": "^12.2.17",
-    "@angular/platform-browser-dynamic": "^12.2.17",
-    "@angular/router": "^12.2.17",
-    "@angular/service-worker": "^12.2.17",
+    "@angular/animations": "^13.3.12",
+    "@angular/common": "^13.3.12",
+    "@angular/compiler": "^13.3.12",
+    "@angular/core": "^13.3.12",
+    "@angular/forms": "^13.3.12",
+    "@angular/platform-browser": "^13.3.12",
+    "@angular/platform-browser-dynamic": "^13.3.12",
+    "@angular/router": "^13.3.12",
+    "@angular/service-worker": "^13.3.12",
     "jquery": "^3.5.1",
     "js-base64": "^3.6.0",
     "ng-zorro-antd": "^11.2.0",
@@ -30,9 +30,9 @@
     "zone.js": "^0.11.3"
   },
   "devDependencies": {
-    "@angular-devkit/build-angular": "^12.2.18",
-    "@angular/cli": "^12.2.18",
-    "@angular/compiler-cli": "^12.2.17",
+    "@angular-devkit/build-angular": "^13.3.10",
+    "@angular/cli": "^13.3.10",
+    "@angular/compiler-cli": "^13.3.12",
     "@angular/language-service": "^13.2.0",
     "@types/jasmine": "^3.6.2",
     "@types/jasminewd2": "~2.0.3",
@@ -48,7 +48,7 @@
     "nz-tslint-rules": "^0.901.2",
     "protractor": "^7.0.0",
     "ts-node": "^10.5.0",
-    "typescript": "~4.3.5",
+    "typescript": "~4.6.4",
     "eslint": "^7.6.0",
     "eslint-plugin-import": "2.26.0",
     "eslint-plugin-jsdoc": "35.4.1",
diff --git a/src/polyfills.ts b/src/polyfills.ts
index aa665d6..a1fb9ac 100644
--- a/src/polyfills.ts
+++ b/src/polyfills.ts
@@ -18,16 +18,6 @@
  * BROWSER POLYFILLS
  */
 
-/** IE10 and IE11 requires the following for NgClass support on SVG elements */
-// import 'classlist.js';  // Run `npm install --save classlist.js`.
-
-/**
- * Web Animations `@angular/platform-browser/animations`
- * Only required if AnimationBuilder is used within the application and using IE/Edge or Safari.
- * Standard animation support in Angular DOES NOT require any polyfills (as of Angular 6.0).
- */
-// import 'web-animations-js';  // Run `npm install --save web-animations-js`.
-
 /**
  * By default, zone.js will patch all possible macroTask and DomEvents
  * user can disable parts of macroTask/DomEvents patch by setting following flags
diff --git a/src/test.ts b/src/test.ts
index 2785df7..f73daa5 100644
--- a/src/test.ts
+++ b/src/test.ts
@@ -12,7 +12,9 @@ declare const require: any;
 // First, initialize the Angular testing environment.
 getTestBed().initTestEnvironment(
     BrowserDynamicTestingModule,
-    platformBrowserDynamicTesting()
+    platformBrowserDynamicTesting(), {
+    teardown: { destroyAfterEach: false }
+}
 );
 // Then we find all the tests.
 const context = require.context('./', true, /\.spec\.ts$/);