diff --git a/.docker/php74_82/Dockerfile b/.docker/php74_83/Dockerfile
similarity index 100%
rename from .docker/php74_82/Dockerfile
rename to .docker/php74_83/Dockerfile
diff --git a/.github/workflows/continuous-integration.yml b/.github/workflows/continuous-integration.yml
index 08fc2566c..561845967 100644
--- a/.github/workflows/continuous-integration.yml
+++ b/.github/workflows/continuous-integration.yml
@@ -21,6 +21,7 @@ jobs:
           - "8.0"
           - "8.1"
           - "8.2"
+          - "8.3"
         memcached-version:
           - "1.6"
 
diff --git a/docker-compose.yml b/docker-compose.yml
index 373560b09..1814cef2a 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -129,7 +129,7 @@ services:
   php74:
     <<: *services_php54
     build:
-      context: .docker/php74_82
+      context: .docker/php74_83
       args:
         PHP_VERSION: '7.4'
         MEMCACHE_VERSION: '4.0.5.2'
@@ -139,7 +139,7 @@ services:
   php80:
     <<: *services_php54
     build:
-      context: .docker/php74_82
+      context: .docker/php74_83
       args:
         PHP_VERSION: '8.0'
         MEMCACHE_VERSION: '8.0'
@@ -149,7 +149,7 @@ services:
   php81:
     <<: *services_php54
     build:
-      context: .docker/php74_82
+      context: .docker/php74_83
       args:
         PHP_VERSION: '8.1'
         MEMCACHE_VERSION: '8.0'
@@ -158,12 +158,21 @@ services:
   php82:
     <<: *services_php54
     build:
-      context: .docker/php74_82
+      context: .docker/php74_83
       args:
         PHP_VERSION: '8.2'
         MEMCACHE_VERSION: '8.0'
         APCU_VERSION: ''
 
+  php83:
+    <<: *services_php54
+    build:
+      context: .docker/php74_83
+      args:
+        PHP_VERSION: '8.3'
+        MEMCACHE_VERSION: '8.0'
+        APCU_VERSION: ''
+
 
   db:
     image: mysql:5.5.62
diff --git a/test/functional/authTest.php b/test/functional/authTest.php
index 2c771d0f8..3a68aa5a5 100644
--- a/test/functional/authTest.php
+++ b/test/functional/authTest.php
@@ -9,7 +9,7 @@
  */
 
 $app = 'frontend';
-if (!include(__DIR__.'/../bootstrap/functional.php')) {
+if (!include __DIR__.'/../bootstrap/functional.php') {
     return;
 }
 
diff --git a/test/functional/autoloadTest.php b/test/functional/autoloadTest.php
index 1391b678e..9a40574ef 100755
--- a/test/functional/autoloadTest.php
+++ b/test/functional/autoloadTest.php
@@ -9,7 +9,7 @@
  */
 
 $app = 'frontend';
-if (!include(__DIR__.'/../bootstrap/functional.php')) {
+if (!include __DIR__.'/../bootstrap/functional.php') {
     return;
 }
 
diff --git a/test/functional/cacheTest.php b/test/functional/cacheTest.php
index 878eef54c..f0e7a232f 100644
--- a/test/functional/cacheTest.php
+++ b/test/functional/cacheTest.php
@@ -9,7 +9,7 @@
  */
 
 $app = 'cache';
-if (!include(__DIR__.'/../bootstrap/functional.php')) {
+if (!include __DIR__.'/../bootstrap/functional.php') {
     return;
 }
 
diff --git a/test/functional/escapingTest.php b/test/functional/escapingTest.php
index f8c3ca28f..fc2a0fab4 100644
--- a/test/functional/escapingTest.php
+++ b/test/functional/escapingTest.php
@@ -9,7 +9,7 @@
  */
 
 $app = 'frontend';
-if (!include(__DIR__.'/../bootstrap/functional.php')) {
+if (!include __DIR__.'/../bootstrap/functional.php') {
     return;
 }
 
diff --git a/test/functional/filterTest.php b/test/functional/filterTest.php
index e1bd3c462..4d8f5f6ff 100644
--- a/test/functional/filterTest.php
+++ b/test/functional/filterTest.php
@@ -9,7 +9,7 @@
  */
 
 $app = 'frontend';
-if (!include(__DIR__.'/../bootstrap/functional.php')) {
+if (!include __DIR__.'/../bootstrap/functional.php') {
     return;
 }
 
diff --git a/test/functional/formatTest.php b/test/functional/formatTest.php
index 47f058f96..7050f8659 100644
--- a/test/functional/formatTest.php
+++ b/test/functional/formatTest.php
@@ -9,7 +9,7 @@
  */
 
 $app = 'frontend';
-if (!include(__DIR__.'/../bootstrap/functional.php')) {
+if (!include __DIR__.'/../bootstrap/functional.php') {
     return;
 }
 
diff --git a/test/functional/genericTest.php b/test/functional/genericTest.php
index 964820cc1..d6d3e7ba9 100644
--- a/test/functional/genericTest.php
+++ b/test/functional/genericTest.php
@@ -9,7 +9,7 @@
  */
 
 $app = 'frontend';
-if (!include(__DIR__.'/../bootstrap/functional.php')) {
+if (!include __DIR__.'/../bootstrap/functional.php') {
     return;
 }
 
diff --git a/test/functional/httpcacheTest.php b/test/functional/httpcacheTest.php
index a26b6e161..07b00a639 100644
--- a/test/functional/httpcacheTest.php
+++ b/test/functional/httpcacheTest.php
@@ -9,7 +9,7 @@
  */
 
 $app = 'cache';
-if (!include(__DIR__.'/../bootstrap/functional.php')) {
+if (!include __DIR__.'/../bootstrap/functional.php') {
     return;
 }
 
diff --git a/test/functional/i18nFormTest.php b/test/functional/i18nFormTest.php
index 4f5d30ff1..97cf10d16 100644
--- a/test/functional/i18nFormTest.php
+++ b/test/functional/i18nFormTest.php
@@ -9,7 +9,7 @@
  */
 
 $app = 'i18n';
-if (!include(__DIR__.'/../bootstrap/functional.php')) {
+if (!include __DIR__.'/../bootstrap/functional.php') {
     return;
 }
 
diff --git a/test/functional/i18nTest.php b/test/functional/i18nTest.php
index 615745a86..540232ad3 100644
--- a/test/functional/i18nTest.php
+++ b/test/functional/i18nTest.php
@@ -9,7 +9,7 @@
  */
 
 $app = 'i18n';
-if (!include(__DIR__.'/../bootstrap/functional.php')) {
+if (!include __DIR__.'/../bootstrap/functional.php') {
     return;
 }
 
diff --git a/test/functional/prodTest.php b/test/functional/prodTest.php
index 7a5757db5..e5db92dd3 100644
--- a/test/functional/prodTest.php
+++ b/test/functional/prodTest.php
@@ -10,7 +10,7 @@
 
 $app = 'frontend';
 $debug = false;
-if (!include(__DIR__.'/../bootstrap/functional.php')) {
+if (!include __DIR__.'/../bootstrap/functional.php') {
     return;
 }
 
diff --git a/test/functional/sfTestBrowserTest.php b/test/functional/sfTestBrowserTest.php
index 5aea35569..2faebebf8 100644
--- a/test/functional/sfTestBrowserTest.php
+++ b/test/functional/sfTestBrowserTest.php
@@ -9,7 +9,7 @@
  */
 
 $app = 'frontend';
-if (!include(__DIR__.'/../bootstrap/functional.php')) {
+if (!include __DIR__.'/../bootstrap/functional.php') {
     return;
 }