diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index 9c57013..9d6300d 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -12,8 +12,9 @@ jobs:
                 os: [ubuntu-latest]
                 php: [8.3, 8.2, 8.1]
                 dependency-version: [prefer-lowest, prefer-stable]
+                carbon: [^2.68.1, ^3.0]
 
-        name: P${{ matrix.php }} - ${{ matrix.dependency-version }} - ${{ matrix.os }}
+        name: P${{ matrix.php }} - Carbon${{ matrix.carbon }} - ${{ matrix.dependency-version }} - ${{ matrix.os }}
 
         steps:
             -   name: Checkout code
@@ -27,7 +28,9 @@ jobs:
                     coverage: none
 
             -   name: Install dependencies
-                run: composer update --${{ matrix.dependency-version }} --prefer-dist --no-interaction --no-suggest
+                run: |
+                  composer require "nesbot/carbon:${{ matrix.carbon }}" --no-interaction --no-update
+                  composer update --${{ matrix.dependency-version }} --prefer-dist --no-interaction --no-suggest
 
             -   name: Execute tests
-                run: vendor/bin/pest
+                run: vendor/bin/pest --ci
diff --git a/.gitignore b/.gitignore
index adc6804..8218fc7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,7 +1,7 @@
 .idea
 .php_cs
 .php_cs.cache
-.phpunit.result.cache
+.phpunit.cache
 build
 composer.lock
 coverage
diff --git a/composer.json b/composer.json
index 9d4ab59..8f644d6 100644
--- a/composer.json
+++ b/composer.json
@@ -29,7 +29,7 @@
         "php": "^8.1",
         "ext-intl": "*",
         "ext-json": "*",
-        "nesbot/carbon": "^2.68.1",
+        "nesbot/carbon": "^2.68.1|^3.0",
         "spatie/macroable": "^2.0"
     },
     "require-dev": {
diff --git a/src/SslCertificate.php b/src/SslCertificate.php
index d41fb84..9679660 100644
--- a/src/SslCertificate.php
+++ b/src/SslCertificate.php
@@ -216,9 +216,7 @@ public function daysUntilExpirationDate(): int
     {
         $endDate = $this->expirationDate();
 
-        $interval = Carbon::now()->diff($endDate);
-
-        return (int) $interval->format('%r%a');
+        return (int) Carbon::now()->diffInDays($endDate);
     }
 
     public function getDomains(): array