diff --git a/composer.json b/composer.json
index 25afb92..9f40a0b 100644
--- a/composer.json
+++ b/composer.json
@@ -21,12 +21,13 @@
         "symfony/polyfill-php80": "^1.17"
     },
     "require-dev": {
-        "doctrine/instantiator": "^1.1",
-        "guzzlehttp/psr7": "^1.4",
-        "nyholm/psr7": "^1.2",
-        "phpspec/phpspec": "^5.1 || ^6.3 || ^7.1",
-        "phpspec/prophecy": "^1.10.2",
-        "phpunit/phpunit": "^7.5.20 || ^8.5.33 || ^9.6.7"
+        "doctrine/instantiator": "^1.5 || ^2.0",
+        "guzzlehttp/psr7": "^1.9.1 || ^2.6.2",
+        "nyholm/psr7": "^1.8",
+        "phpspec/phpspec": "^5.1 || ^6.3 || ^7.5",
+        "phpspec/prophecy": "^1.18",
+        "phpspec/prophecy-phpunit": "^1.1 || ^2.1",
+        "phpunit/phpunit": "^7.5.20 || ^8.5.36 || ^9.6.16"
     },
     "suggest": {
         "ext-json": "To detect JSON responses with the ContentTypePlugin",
diff --git a/tests/PluginChainTest.php b/tests/PluginChainTest.php
index 7a53681..b27b7c1 100644
--- a/tests/PluginChainTest.php
+++ b/tests/PluginChainTest.php
@@ -9,10 +9,13 @@
 use Http\Client\Common\PluginChain;
 use Http\Promise\Promise;
 use PHPUnit\Framework\TestCase;
+use Prophecy\PhpUnit\ProphecyTrait;
 use Psr\Http\Message\RequestInterface;
 
 class PluginChainTest extends TestCase
 {
+    use ProphecyTrait;
+
     private function createPlugin(callable $func): Plugin
     {
         return new class($func) implements Plugin {
diff --git a/tests/PluginClientBuilderTest.php b/tests/PluginClientBuilderTest.php
index 9372859..d98a276 100644
--- a/tests/PluginClientBuilderTest.php
+++ b/tests/PluginClientBuilderTest.php
@@ -10,9 +10,12 @@
 use Http\Client\HttpAsyncClient;
 use Http\Client\HttpClient;
 use PHPUnit\Framework\TestCase;
+use Prophecy\PhpUnit\ProphecyTrait;
 
 class PluginClientBuilderTest extends TestCase
 {
+    use ProphecyTrait;
+
     /** @dataProvider clientProvider */
     public function testPriority(string $client): void
     {