diff --git a/projects/angular-auth-oidc-client/src/lib/flows/callback-handling/implicit-flow-callback-handler.service.spec.ts b/projects/angular-auth-oidc-client/src/lib/flows/callback-handling/implicit-flow-callback-handler.service.spec.ts
index e3a6abd6..d3b2fe5f 100644
--- a/projects/angular-auth-oidc-client/src/lib/flows/callback-handling/implicit-flow-callback-handler.service.spec.ts
+++ b/projects/angular-auth-oidc-client/src/lib/flows/callback-handling/implicit-flow-callback-handler.service.spec.ts
@@ -1,4 +1,4 @@
-import { DOCUMENT } from '@angular/core';
+import { DOCUMENT } from '@angular/common';
 import { TestBed, waitForAsync } from '@angular/core/testing';
 import { mockProvider } from '../../../test/auto-mock';
 import { LoggerService } from '../../logging/logger.service';
diff --git a/projects/angular-auth-oidc-client/src/lib/flows/callback-handling/state-validation-callback-handler.service.spec.ts b/projects/angular-auth-oidc-client/src/lib/flows/callback-handling/state-validation-callback-handler.service.spec.ts
index 70444b05..e715332d 100644
--- a/projects/angular-auth-oidc-client/src/lib/flows/callback-handling/state-validation-callback-handler.service.spec.ts
+++ b/projects/angular-auth-oidc-client/src/lib/flows/callback-handling/state-validation-callback-handler.service.spec.ts
@@ -1,4 +1,4 @@
-import { DOCUMENT } from '@angular/core';
+import { DOCUMENT } from '@angular/common';
 import { TestBed, waitForAsync } from '@angular/core/testing';
 import { of } from 'rxjs';
 import { mockProvider } from '../../../test/auto-mock';
diff --git a/projects/angular-auth-oidc-client/src/lib/utils/crypto/crypto.service.spec.ts b/projects/angular-auth-oidc-client/src/lib/utils/crypto/crypto.service.spec.ts
index 506f9ca6..4fde29c6 100644
--- a/projects/angular-auth-oidc-client/src/lib/utils/crypto/crypto.service.spec.ts
+++ b/projects/angular-auth-oidc-client/src/lib/utils/crypto/crypto.service.spec.ts
@@ -1,4 +1,4 @@
-import { DOCUMENT } from '@angular/core';
+import { DOCUMENT } from '@angular/common';
 import { TestBed } from '@angular/core/testing';
 import { CryptoService } from './crypto.service';
 
diff --git a/projects/angular-auth-oidc-client/src/lib/utils/redirect/redirect.service.spec.ts b/projects/angular-auth-oidc-client/src/lib/utils/redirect/redirect.service.spec.ts
index b02bc5f0..6ccf6d7d 100644
--- a/projects/angular-auth-oidc-client/src/lib/utils/redirect/redirect.service.spec.ts
+++ b/projects/angular-auth-oidc-client/src/lib/utils/redirect/redirect.service.spec.ts
@@ -1,4 +1,4 @@
-import { DOCUMENT } from '@angular/core';
+import { DOCUMENT } from '@angular/common';
 import { TestBed } from '@angular/core/testing';
 import { RedirectService } from './redirect.service';
 
diff --git a/projects/angular-auth-oidc-client/src/lib/utils/url/current-url.service.spec.ts b/projects/angular-auth-oidc-client/src/lib/utils/url/current-url.service.spec.ts
index ed1b18b8..11d0b460 100644
--- a/projects/angular-auth-oidc-client/src/lib/utils/url/current-url.service.spec.ts
+++ b/projects/angular-auth-oidc-client/src/lib/utils/url/current-url.service.spec.ts
@@ -1,4 +1,4 @@
-import { DOCUMENT } from '@angular/core';
+import { DOCUMENT } from '@angular/common';
 import { TestBed } from '@angular/core/testing';
 import { CurrentUrlService } from './current-url.service';