diff --git a/composer.json b/composer.json
index 35ae979..e3cd594 100644
--- a/composer.json
+++ b/composer.json
@@ -50,9 +50,9 @@
         "laminas/laminas-config-aggregator": "^1.14",
         "laminas/laminas-servicemanager": "^3.22.1",
         "maglnet/composer-require-checker": "^4.7.1",
-        "phpunit/phpunit": "^10.5.7",
+        "phpunit/phpunit": "^10.5.9",
         "psalm/plugin-phpunit": "^0.18.4",
-        "vimeo/psalm": "^5.19"
+        "vimeo/psalm": "^5.20"
     },
     "autoload": {
         "psr-4": {
diff --git a/composer.lock b/composer.lock
index ff5de38..2a8be16 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,20 +4,20 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "c1246a1962f86403a55ec5b7e29046ed",
+    "content-hash": "74c8408e8945715d6d26441edcee2ce8",
     "packages": [
         {
             "name": "giggsey/libphonenumber-for-php",
-            "version": "8.13.27",
+            "version": "8.13.28",
             "source": {
                 "type": "git",
                 "url": "https://github.com/giggsey/libphonenumber-for-php.git",
-                "reference": "033bea996defd39bddca9de22b9e9dbda419431c"
+                "reference": "f508ab946a60c1470c92e33cfc0393a0d580b9a1"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/giggsey/libphonenumber-for-php/zipball/033bea996defd39bddca9de22b9e9dbda419431c",
-                "reference": "033bea996defd39bddca9de22b9e9dbda419431c",
+                "url": "https://api.github.com/repos/giggsey/libphonenumber-for-php/zipball/f508ab946a60c1470c92e33cfc0393a0d580b9a1",
+                "reference": "f508ab946a60c1470c92e33cfc0393a0d580b9a1",
                 "shasum": ""
             },
             "require": {
@@ -76,7 +76,7 @@
                 "issues": "https://github.com/giggsey/libphonenumber-for-php/issues",
                 "source": "https://github.com/giggsey/libphonenumber-for-php"
             },
-            "time": "2023-12-19T08:19:08+00:00"
+            "time": "2024-01-17T08:09:20+00:00"
         },
         {
             "name": "giggsey/locale",
@@ -636,16 +636,16 @@
         },
         {
             "name": "laminas/laminas-stdlib",
-            "version": "3.18.0",
+            "version": "3.19.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/laminas/laminas-stdlib.git",
-                "reference": "e85b29076c6216e7fc98e72b42dbe1bbc3b95ecf"
+                "reference": "6a192dd0882b514e45506f533b833b623b78fff3"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/laminas/laminas-stdlib/zipball/e85b29076c6216e7fc98e72b42dbe1bbc3b95ecf",
-                "reference": "e85b29076c6216e7fc98e72b42dbe1bbc3b95ecf",
+                "url": "https://api.github.com/repos/laminas/laminas-stdlib/zipball/6a192dd0882b514e45506f533b833b623b78fff3",
+                "reference": "6a192dd0882b514e45506f533b833b623b78fff3",
                 "shasum": ""
             },
             "require": {
@@ -656,10 +656,10 @@
             },
             "require-dev": {
                 "laminas/laminas-coding-standard": "^2.5",
-                "phpbench/phpbench": "^1.2.14",
-                "phpunit/phpunit": "^10.3.3",
+                "phpbench/phpbench": "^1.2.15",
+                "phpunit/phpunit": "^10.5.8",
                 "psalm/plugin-phpunit": "^0.18.4",
-                "vimeo/psalm": "^5.15.0"
+                "vimeo/psalm": "^5.20.0"
             },
             "type": "library",
             "autoload": {
@@ -691,20 +691,20 @@
                     "type": "community_bridge"
                 }
             ],
-            "time": "2023-09-19T10:15:21+00:00"
+            "time": "2024-01-19T12:39:49+00:00"
         },
         {
             "name": "laminas/laminas-validator",
-            "version": "2.46.0",
+            "version": "2.47.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/laminas/laminas-validator.git",
-                "reference": "98330256f8d8a1357a93f6f7f1a987036aff6329"
+                "reference": "5c3fc8c4f1263cda5c5f14aed874fdadd5b90bbd"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/laminas/laminas-validator/zipball/98330256f8d8a1357a93f6f7f1a987036aff6329",
-                "reference": "98330256f8d8a1357a93f6f7f1a987036aff6329",
+                "url": "https://api.github.com/repos/laminas/laminas-validator/zipball/5c3fc8c4f1263cda5c5f14aed874fdadd5b90bbd",
+                "reference": "5c3fc8c4f1263cda5c5f14aed874fdadd5b90bbd",
                 "shasum": ""
             },
             "require": {
@@ -775,7 +775,7 @@
                     "type": "community_bridge"
                 }
             ],
-            "time": "2024-01-03T12:43:04+00:00"
+            "time": "2024-01-17T11:31:50+00:00"
         },
         {
             "name": "psr/container",
@@ -2816,16 +2816,16 @@
         },
         {
             "name": "phpunit/phpunit",
-            "version": "10.5.7",
+            "version": "10.5.9",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit.git",
-                "reference": "e5c5b397a95cb0db013270a985726fcae93e61b8"
+                "reference": "0bd663704f0165c9e76fe4f06ffa6a1ca727fdbe"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/e5c5b397a95cb0db013270a985726fcae93e61b8",
-                "reference": "e5c5b397a95cb0db013270a985726fcae93e61b8",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/0bd663704f0165c9e76fe4f06ffa6a1ca727fdbe",
+                "reference": "0bd663704f0165c9e76fe4f06ffa6a1ca727fdbe",
                 "shasum": ""
             },
             "require": {
@@ -2897,7 +2897,7 @@
             "support": {
                 "issues": "https://github.com/sebastianbergmann/phpunit/issues",
                 "security": "https://github.com/sebastianbergmann/phpunit/security/policy",
-                "source": "https://github.com/sebastianbergmann/phpunit/tree/10.5.7"
+                "source": "https://github.com/sebastianbergmann/phpunit/tree/10.5.9"
             },
             "funding": [
                 {
@@ -2913,7 +2913,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2024-01-14T16:40:30+00:00"
+            "time": "2024-01-22T14:35:40+00:00"
         },
         {
             "name": "psalm/plugin-phpunit",
@@ -4835,16 +4835,16 @@
         },
         {
             "name": "vimeo/psalm",
-            "version": "5.19.0",
+            "version": "5.20.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/vimeo/psalm.git",
-                "reference": "06b71be009a6bd6d81b9811855d6629b9fe90e1b"
+                "reference": "3f284e96c9d9be6fe6b15c79416e1d1903dcfef4"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/vimeo/psalm/zipball/06b71be009a6bd6d81b9811855d6629b9fe90e1b",
-                "reference": "06b71be009a6bd6d81b9811855d6629b9fe90e1b",
+                "url": "https://api.github.com/repos/vimeo/psalm/zipball/3f284e96c9d9be6fe6b15c79416e1d1903dcfef4",
+                "reference": "3f284e96c9d9be6fe6b15c79416e1d1903dcfef4",
                 "shasum": ""
             },
             "require": {
@@ -4941,7 +4941,7 @@
                 "issues": "https://github.com/vimeo/psalm/issues",
                 "source": "https://github.com/vimeo/psalm"
             },
-            "time": "2024-01-09T21:02:43+00:00"
+            "time": "2024-01-18T12:15:06+00:00"
         },
         {
             "name": "webimpress/coding-standard",
diff --git a/src/PhoneNumberValue.php b/src/PhoneNumberValue.php
index 826f317..21fd9fc 100644
--- a/src/PhoneNumberValue.php
+++ b/src/PhoneNumberValue.php
@@ -190,7 +190,7 @@ public function type(): int
     private static function regionCodeForNumber(LibPhoneNumber $number, ?string $givenCode): ?string
     {
         $dialingCode = $number->getCountryCode();
-        if (! $dialingCode) {
+        if ($dialingCode === null) {
             return $givenCode;
         }
 
diff --git a/src/Validator/PhoneNumber.php b/src/Validator/PhoneNumber.php
index 959ee25..b6f52c2 100644
--- a/src/Validator/PhoneNumber.php
+++ b/src/Validator/PhoneNumber.php
@@ -190,7 +190,7 @@ public function setAllowedTypes(int $types): void
     /** @param array<string, mixed> $validationContext */
     private function resolveCountry(?array $validationContext): ?CountryCode
     {
-        if (! is_array($validationContext) || ! $this->countryContext) {
+        if (! is_array($validationContext) || $this->countryContext === null) {
             return $this->country;
         }
 
diff --git a/src/View/Helper/PhoneNumberFormat.php b/src/View/Helper/PhoneNumberFormat.php
index 98ba95a..5832710 100644
--- a/src/View/Helper/PhoneNumberFormat.php
+++ b/src/View/Helper/PhoneNumberFormat.php
@@ -25,7 +25,7 @@ public function __invoke(): self
      */
     private function coalesceCountryCode(?string $countryCodeOrLocale): CountryCode
     {
-        $code = $countryCodeOrLocale ? CountryCode::tryFromString($countryCodeOrLocale) : null;
+        $code = $countryCodeOrLocale !== null ? CountryCode::tryFromString($countryCodeOrLocale) : null;
 
         return $code ?? $this->defaultCountryCode;
     }
diff --git a/test/ProjectIntegrationTestCase.php b/test/ProjectIntegrationTestCase.php
index 707b3e3..3e9a1bb 100644
--- a/test/ProjectIntegrationTestCase.php
+++ b/test/ProjectIntegrationTestCase.php
@@ -32,9 +32,9 @@ protected static function getContainer(array $userConfig = []): ContainerInterfa
         $config       = $aggregator->getMergedConfig();
         $dependencies = $config['dependencies'] ?? [];
         self::assertIsArray($dependencies);
-        /** @psalm-var ServiceManagerConfigurationType $dependencies */
-        unset($dependencies['services']['config']);
+        /** @psalm-suppress MixedArrayAssignment */
         $dependencies['services']['config'] = $config;
+        /** @psalm-var ServiceManagerConfigurationType $dependencies */
 
         return new Laminas\ServiceManager\ServiceManager($dependencies);
     }