diff --git a/composer.json b/composer.json
index 91d7b53b5..5d2025b97 100644
--- a/composer.json
+++ b/composer.json
@@ -66,7 +66,7 @@
         "bamarni/composer-bin-plugin": "^1.4.1",
         "php-http/client-integration-tests": "^3.0",
         "phpunit/phpunit": "^8.5.5 || ^9.3.5",
-        "psr/log": "^1.1"
+        "psr/log": "^1.1 || ^2.0 || ^3.0"
     },
     "suggest": {
         "ext-curl": "Required for CURL handler support",
diff --git a/tests/MiddlewareTest.php b/tests/MiddlewareTest.php
index b853be99f..dc4c03336 100644
--- a/tests/MiddlewareTest.php
+++ b/tests/MiddlewareTest.php
@@ -19,7 +19,6 @@
 use PHPUnit\Framework\TestCase;
 use Psr\Http\Message\RequestInterface;
 use Psr\Http\Message\ResponseInterface;
-use Psr\Log\Test\TestLogger;
 
 class MiddlewareTest extends TestCase
 {
diff --git a/tests/TestLogger.php b/tests/TestLogger.php
new file mode 100644
index 000000000..9a263341b
--- /dev/null
+++ b/tests/TestLogger.php
@@ -0,0 +1,95 @@
+<?php
+
+namespace GuzzleHttp\Tests;
+
+use Psr\Log\AbstractLogger;
+
+/**
+ * Used for testing purposes.
+ *
+ * It records all records and gives you access to them for verification.
+ */
+class TestLogger extends AbstractLogger
+{
+    public $records = [];
+    public $recordsByLevel = [];
+
+    public function log($level, $message, array $context = []): void
+    {
+        $record = [
+            'level' => $level,
+            'message' => $message,
+            'context' => $context,
+        ];
+
+        $this->recordsByLevel[$record['level']][] = $record;
+        $this->records[] = $record;
+    }
+
+    public function hasRecords($level)
+    {
+        return isset($this->recordsByLevel[$level]);
+    }
+
+    public function hasRecord($record, $level)
+    {
+        if (is_string($record)) {
+            $record = ['message' => $record];
+        }
+        return $this->hasRecordThatPasses(static function ($rec) use ($record) {
+            if ($rec['message'] !== $record['message']) {
+                return false;
+            }
+            if (isset($record['context']) && $rec['context'] !== $record['context']) {
+                return false;
+            }
+            return true;
+        }, $level);
+    }
+
+    public function hasRecordThatContains($message, $level)
+    {
+        return $this->hasRecordThatPasses(static function ($rec) use ($message) {
+            return strpos($rec['message'], $message) !== false;
+        }, $level);
+    }
+
+    public function hasRecordThatMatches($regex, $level)
+    {
+        return $this->hasRecordThatPasses(static function ($rec) use ($regex) {
+            return preg_match($regex, $rec['message']) > 0;
+        }, $level);
+    }
+
+    public function hasRecordThatPasses(callable $predicate, $level)
+    {
+        if (!isset($this->recordsByLevel[$level])) {
+            return false;
+        }
+        foreach ($this->recordsByLevel[$level] as $i => $rec) {
+            if (call_user_func($predicate, $rec, $i)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    public function __call($method, $args)
+    {
+        if (preg_match('/(.*)(Debug|Info|Notice|Warning|Error|Critical|Alert|Emergency)(.*)/', $method, $matches) > 0) {
+            $genericMethod = $matches[1] . ('Records' !== $matches[3] ? 'Record' : '') . $matches[3];
+            $level = strtolower($matches[2]);
+            if (method_exists($this, $genericMethod)) {
+                $args[] = $level;
+                return call_user_func_array([$this, $genericMethod], $args);
+            }
+        }
+        throw new \BadMethodCallException('Call to undefined method ' . static::class . '::' . $method . '()');
+    }
+
+    public function reset()
+    {
+        $this->records = [];
+        $this->recordsByLevel = [];
+    }
+}