diff --git a/src/StackMiddleware/TrustedReverseProxyMiddleware.php b/src/StackMiddleware/TrustedReverseProxyMiddleware.php
index b6142a8..4cae940 100644
--- a/src/StackMiddleware/TrustedReverseProxyMiddleware.php
+++ b/src/StackMiddleware/TrustedReverseProxyMiddleware.php
@@ -44,7 +44,7 @@ class TrustedReverseProxyMiddleware implements HttpKernelInterface {
   /**
    * {@inheritDoc}
    */
-  public function handle(Request $request, $type = self::MASTER_REQUEST, $catch = TRUE): Response {
+  public function handle(Request $request, $type = self::MAIN_REQUEST, $catch = TRUE): Response {
     if (
       // Reverse proxy is not explicitly disabled (is unset/NULL otherwise)
       $this->settings->get('reverse_proxy') !== FALSE
diff --git a/tests/src/Unit/TrustedReverseProxyMiddlewareTest.php b/tests/src/Unit/TrustedReverseProxyMiddlewareTest.php
index d903c92..96df779 100644
--- a/tests/src/Unit/TrustedReverseProxyMiddlewareTest.php
+++ b/tests/src/Unit/TrustedReverseProxyMiddlewareTest.php
@@ -36,6 +36,7 @@ class TrustedReverseProxyMiddlewareTest extends UnitTestCase {
    * {@inheritdoc}
    */
   protected function setUp(): void {
+    parent::setUp();
     $this->mockHttpKernel = $this->createMock(HttpKernelInterface::class);
     $this->mockReverseProxyMiddleware = $this->createMock(ReverseProxyMiddleware::class);
   }
diff --git a/trusted_reverse_proxy.info.yml b/trusted_reverse_proxy.info.yml
index fb3427a..a09ece8 100644
--- a/trusted_reverse_proxy.info.yml
+++ b/trusted_reverse_proxy.info.yml
@@ -1,4 +1,4 @@
 name: Trusted Reverse Proxy Support
 type: module
 description: 'Provides sensible defaults for sites running behind known trusted reverse proxies.'
-core_version_requirement: ^9 || ^10
+core_version_requirement: ^10.1 || ^11