diff --git a/composer.json b/composer.json
index 79ec4d8..194652b 100644
--- a/composer.json
+++ b/composer.json
@@ -33,6 +33,7 @@
         "psr/log": "^1.1 || ^2.0 || ^3.0"
     },
     "require-dev": {
+        "colinodell/psr-testlogger": "^1.2",
         "phpstan/phpstan": "~0.12.32",
         "phpstan/phpstan-phpunit": "^0.12.11",
         "phpstan/phpstan-strict-rules": "^0.12.2",
diff --git a/src/LogMiddleware.php b/src/LogMiddleware.php
index 0e54e47..4e2b49d 100644
--- a/src/LogMiddleware.php
+++ b/src/LogMiddleware.php
@@ -112,11 +112,11 @@ private function handleFailure(RequestInterface $request, array $options): calla
         return function (\Exception $reason) use ($request, $options) {
             if ($reason instanceof RequestException && $reason->hasResponse() === true) {
                 $this->handler->log($this->logger, $request, $reason->getResponse(), $reason, $this->stats, $options);
-                return \GuzzleHttp\Promise\rejection_for($reason);
+                return \GuzzleHttp\Promise\Create::rejectionFor($reason);
             }
 
             $this->handler->log($this->logger, $request, null, $reason, $this->stats, $options);
-            return \GuzzleHttp\Promise\rejection_for($reason);
+            return \GuzzleHttp\Promise\Create::rejectionFor($reason);
         };
     }
 
diff --git a/tests/AbstractLoggerMiddlewareTest.php b/tests/AbstractLoggerMiddlewareTest.php
index 3017258..704c985 100644
--- a/tests/AbstractLoggerMiddlewareTest.php
+++ b/tests/AbstractLoggerMiddlewareTest.php
@@ -15,7 +15,7 @@
 use PHPUnit\Framework\TestCase;
 use Psr\Http\Message\RequestInterface;
 use Psr\Http\Message\ResponseInterface;
-use Psr\Log\Test\TestLogger;
+use ColinODell\PsrTestLogger\TestLogger;
 
 abstract class AbstractLoggerMiddlewareTest extends TestCase
 {