diff --git a/tests/Unit/Auth/Adapters/JwtAuthAdapterTest.php b/tests/Unit/Auth/Adapters/JwtAuthAdapterTest.php
index 16d7fd70f..f75cd6619 100644
--- a/tests/Unit/Auth/Adapters/JwtAuthAdapterTest.php
+++ b/tests/Unit/Auth/Adapters/JwtAuthAdapterTest.php
@@ -30,7 +30,7 @@ public function setUp(): void
                 'exp' => time() + 60,
             ]);
 
-        $this->jwtAuth = new JwtAuthAdapter($this->authService, $this->mailer, new Hasher(), $jwt);
+        $this->jwtAuth = new JwtAuthAdapter($this->authService, $this->mailer, (new Hasher())->setCost(4), $jwt);
 
         $admin = $this->jwtAuth->signup($this->adminUser);
 
diff --git a/tests/Unit/Auth/Adapters/SessionAuthAdapterTest.php b/tests/Unit/Auth/Adapters/SessionAuthAdapterTest.php
index 4eb866667..c9257c053 100644
--- a/tests/Unit/Auth/Adapters/SessionAuthAdapterTest.php
+++ b/tests/Unit/Auth/Adapters/SessionAuthAdapterTest.php
@@ -19,7 +19,7 @@ public function setUp(): void
 
         config()->set('auth.two_fa', false);
 
-        $this->sessionAuth = new SessionAuthAdapter($this->authService, $this->mailer, new Hasher());
+        $this->sessionAuth = new SessionAuthAdapter($this->authService, $this->mailer, (new Hasher())->setCost(4));
 
         $admin = $this->sessionAuth->signup($this->adminUser);
 
diff --git a/tests/Unit/Auth/AuthTest.php b/tests/Unit/Auth/AuthTest.php
index b8e62ee0d..6bfa7a886 100644
--- a/tests/Unit/Auth/AuthTest.php
+++ b/tests/Unit/Auth/AuthTest.php
@@ -13,11 +13,14 @@
 class AuthTest extends AuthTestCase
 {
     private JwtToken $jwt;
+    private Hasher $hasher;
 
     public function setUp(): void
     {
         parent::setUp();
 
+        $this->hasher = (new Hasher())->setCost(4);
+
         $this->jwt = (new JwtToken())
             ->setLeeway(1)
             ->setClaims([
@@ -32,18 +35,18 @@ public function setUp(): void
 
     public function testAuthGetAdapter(): void
     {
-        $auth = new Auth(new SessionAuthAdapter($this->authService, $this->mailer, new Hasher()));
+        $auth = new Auth(new SessionAuthAdapter($this->authService, $this->mailer, $this->hasher));
 
         $this->assertInstanceOf(AuthenticatableInterface::class, $auth->getAdapter());
 
-        $auth = new Auth(new JwtAuthAdapter($this->authService, $this->mailer, new Hasher(), $this->jwt));
+        $auth = new Auth(new JwtAuthAdapter($this->authService, $this->mailer, $this->hasher, $this->jwt));
 
         $this->assertInstanceOf(AuthenticatableInterface::class, $auth->getAdapter());
     }
 
     public function testAuthCallingValidMethod(): void
     {
-        $auth = new Auth(new JwtAuthAdapter($this->authService, $this->mailer, new Hasher(), $this->jwt));
+        $auth = new Auth(new JwtAuthAdapter($this->authService, $this->mailer, $this->hasher, $this->jwt));
 
         $user = $auth->getAdapter()->signup($this->adminUser);
 
@@ -58,7 +61,7 @@ public function testAuthCallingValidMethod(): void
 
     public function testAuthCallingInvalidMethod(): void
     {
-        $auth = new Auth(new JwtAuthAdapter($this->authService, $this->mailer, new Hasher(), $this->jwt));
+        $auth = new Auth(new JwtAuthAdapter($this->authService, $this->mailer, $this->hasher, $this->jwt));
 
         $this->expectException(AuthException::class);
 
diff --git a/tests/Unit/Hasher/HasherTest.php b/tests/Unit/Hasher/HasherTest.php
index b2e149bde..518f63ceb 100644
--- a/tests/Unit/Hasher/HasherTest.php
+++ b/tests/Unit/Hasher/HasherTest.php
@@ -38,6 +38,8 @@ public function testSetAndGetCost(): void
 
     public function testHashAndCheck(): void
     {
+        $this->hasher->setCost(4);
+
         $hashed = $this->hasher->hash($this->password);
 
         $this->assertTrue($this->hasher->check($this->password, $hashed));
@@ -47,23 +49,25 @@ public function testHashAndCheck(): void
 
     public function testNeedsRehash(): void
     {
-        $this->hasher->setCost(10);
+        $this->hasher->setCost(4);
 
         $hashed = $this->hasher->hash($this->password);
 
         $this->assertFalse($this->hasher->needsRehash($hashed));
 
-        $this->hasher->setCost(12);
+        $this->hasher->setCost(5);
 
         $this->assertTrue($this->hasher->needsRehash($hashed));
 
-        $this->hasher->setAlgorithm(PASSWORD_DEFAULT)->setCost(11);
+        $this->hasher->setAlgorithm(PASSWORD_DEFAULT)->setCost(6);
 
         $this->assertTrue($this->hasher->needsRehash($hashed));
     }
 
     public function testInfo(): void
     {
+        $this->hasher->setCost(4);
+
         $hashed = $this->hasher->hash($this->password);
 
         $this->assertIsArray($this->hasher->info($hashed));