diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 88d702e3..d8a57cde 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -19,7 +19,7 @@ jobs:
           - "8.4"
 
     steps:
-      - uses: "actions/checkout@v6"
+      - uses: "actions/checkout@v7"
       - uses: "shivammathur/setup-php@v2"
         with:
           coverage: "none"
@@ -54,7 +54,7 @@ jobs:
       IMAP_QUOTAROOT_SUPPORTED: true
 
     steps:
-      - uses: "actions/checkout@v6"
+      - uses: "actions/checkout@v7"
       - uses: "shivammathur/setup-php@v2"
         with:
           coverage: "${{ matrix.code-coverage }}"
@@ -86,7 +86,7 @@ jobs:
           - "8.4"
 
     steps:
-      - uses: "actions/checkout@v6"
+      - uses: "actions/checkout@v7"
       - uses: "shivammathur/setup-php@v2"
         with:
           coverage: "none"
@@ -105,7 +105,7 @@ jobs:
           - "8.4"
 
     steps:
-      - uses: "actions/checkout@v6"
+      - uses: "actions/checkout@v7"
       - uses: "shivammathur/setup-php@v2"
         with:
           coverage: "none"
diff --git a/composer.json b/composer.json
index 943133cf..b9a5b171 100644
--- a/composer.json
+++ b/composer.json
@@ -41,12 +41,12 @@
     },
     "require-dev": {
         "egulias/email-validator": "^4.0.4",
-        "friendsofphp/php-cs-fixer": "^3.89.0",
-        "phpstan/phpstan": "^2.1.31",
-        "phpstan/phpstan-phpunit": "^2.0.7",
-        "phpstan/phpstan-strict-rules": "^2.0.7",
-        "phpunit/phpunit": "^12.4.1",
-        "symfony/mime": "^7.3.4 || ^8.0.0"
+        "friendsofphp/php-cs-fixer": "^3.95.10",
+        "phpstan/phpstan": "^2.2.2",
+        "phpstan/phpstan-phpunit": "^2.0.16",
+        "phpstan/phpstan-strict-rules": "^2.0.11",
+        "phpunit/phpunit": "^12.5.30",
+        "symfony/mime": "^7.3.4 || ^8.1.0"
     },
     "autoload": {
         "psr-4": {
diff --git a/tests/MailboxTest.php b/tests/MailboxTest.php
index e39ebe90..a1932f69 100644
--- a/tests/MailboxTest.php
+++ b/tests/MailboxTest.php
@@ -82,14 +82,14 @@ public function testGetDelimiter(): void
     public function testGetMessages(): void
     {
         $directMethodInc = 0;
-        foreach ($this->mailbox->getMessages() as $message) {
+        foreach ($this->mailbox->getMessages() as $message1) {
             ++$directMethodInc;
         }
 
         self::assertSame(3, $directMethodInc);
 
         $aggregateIteratorMethodInc = 0;
-        foreach ($this->mailbox as $message) {
+        foreach ($this->mailbox as $message2) {
             ++$aggregateIteratorMethodInc;
         }
 
@@ -99,19 +99,19 @@ public function testGetMessages(): void
     public function testGetMessageSequence(): void
     {
         $inc = 0;
-        foreach ($this->mailbox->getMessageSequence('1:*') as $message) {
+        foreach ($this->mailbox->getMessageSequence('1:*') as $message1) {
             ++$inc;
         }
         self::assertSame(3, $inc);
 
         $inc = 0;
-        foreach ($this->mailbox->getMessageSequence('1:2') as $message) {
+        foreach ($this->mailbox->getMessageSequence('1:2') as $message2) {
             ++$inc;
         }
 
         self::assertSame(2, $inc);
         $inc = 0;
-        foreach ($this->mailbox->getMessageSequence('99998:99999') as $message) {
+        foreach ($this->mailbox->getMessageSequence('99998:99999') as $message3) {
             ++$inc;
         }
         self::assertSame(0, $inc);