diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b6e0e221..22da77b2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -73,6 +73,11 @@ jobs:
             castor:
               bin: 'bin/castor'
               method: 'bin/castor'
+          - php: "8.4"
+            castor:
+              bin: 'bin/castor'
+              method: 'bin/castor'
+            allow_failures: true
 
     steps:
       - name: Checkout
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 70d15501..b56bf751 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,7 @@
 * Add support for custom php.ini in compile command
 * Do not validate commande options/args as soon as `#[AsRawTokens] is used
 * Update all PHP vendor
+* Add partial support for PHP 8.4 (`ssh_()` functions are not supported yet)
 
 ### Fixes
 
diff --git a/src/Listener/ConfigureCastorListener.php b/src/Listener/ConfigureCastorListener.php
index b6e50bd7..2c8179f4 100644
--- a/src/Listener/ConfigureCastorListener.php
+++ b/src/Listener/ConfigureCastorListener.php
@@ -28,7 +28,7 @@ public function configureCastor(BeforeBootEvent $event): void
             $this->logger->pushHandler(new ConsoleHandler($this->output));
         }
 
-        $this->errorHandler->setDefaultLogger($this->logger, [
+        $map = [
             \E_COMPILE_WARNING => LogLevel::WARNING,
             \E_CORE_WARNING => LogLevel::WARNING,
             \E_USER_WARNING => LogLevel::WARNING,
@@ -43,8 +43,13 @@ public function configureCastor(BeforeBootEvent $event): void
             \E_ERROR => LogLevel::ERROR,
             \E_PARSE => LogLevel::ERROR,
             \E_RECOVERABLE_ERROR => LogLevel::ERROR,
-            \E_STRICT => LogLevel::ERROR,
             \E_USER_ERROR => LogLevel::ERROR,
-        ]);
+        ];
+
+        if (\PHP_VERSION_ID < 80400) {
+            $map[\E_STRICT] = LogLevel::ERROR;
+        }
+
+        $this->errorHandler->setDefaultLogger($this->logger, $map);
     }
 }