diff --git a/.github/workflows/backend-ci.yaml b/.github/workflows/backend-ci.yaml
index 0f05780..e7315ed 100644
--- a/.github/workflows/backend-ci.yaml
+++ b/.github/workflows/backend-ci.yaml
@@ -14,9 +14,9 @@ jobs:
         strategy:
             matrix:
                 php:
-                    - '8.1'
+                    - '8.3'
         steps:
-            -   uses: actions/checkout@v3
+            -   uses: actions/checkout@v4
 
             -   name: Setup PHP Action
                 uses: shivammathur/setup-php@v2
@@ -26,7 +26,7 @@ jobs:
                     extensions: 'pdo_sqlite, gd'
                     tools: cs2pr
 
-            -   uses: ramsey/composer-install@v2
+            -   uses: ramsey/composer-install@v3
                 with:
                     dependency-versions: "highest"
 
@@ -37,7 +37,7 @@ jobs:
         name: Deptrac
         runs-on: ubuntu-latest
         steps:
-            -   uses: actions/checkout@v3
+            -   uses: actions/checkout@v4
             -   name: Deptrac
                 uses: smoench/deptrac-action@master
 
@@ -50,12 +50,10 @@ jobs:
             fail-fast: false
             matrix:
                 php:
-                    - '7.4'
-                    - '8.1'
-                    - '8.2'
+                    - '8.3'
 
         steps:
-            -   uses: actions/checkout@v2
+            -   uses: actions/checkout@v4
 
             -   name: Setup PHP Action
                 uses: shivammathur/setup-php@v2
@@ -65,7 +63,7 @@ jobs:
                     extensions: pdo_sqlite, gd
                     tools: cs2pr
 
-            -   uses: "ramsey/composer-install@v1"
+            -   uses: "ramsey/composer-install@v3"
                 with:
                     dependency-versions: "highest"
                     composer-options: "--prefer-dist --no-progress --no-suggest"
diff --git a/composer.json b/composer.json
index 499dfd1..75e9799 100644
--- a/composer.json
+++ b/composer.json
@@ -6,8 +6,8 @@
         "ibexa-dxp"
     ],
     "require": {
-        "php": "^7.4 || ^8.0",
-        "ibexa/core": "~4.6.x-dev",
+        "php": ">=8.3",
+        "ibexa/core": "~5.0.x-dev",
         "symfony/config": "^5.4",
         "symfony/dependency-injection": "^5.4",
         "symfony/event-dispatcher": "^5.4",
@@ -17,8 +17,9 @@
         "symfony/yaml": "^5.4"
     },
     "require-dev": {
-        "ibexa/behat": "~4.6.x-dev",
+        "ibexa/behat": "~5.0.x-dev",
         "ibexa/code-style": "~2.0.0",
+        "ibexa/doctrine-schema": "~5.0.x-dev",
         "phpstan/phpstan": "^1.10",
         "phpstan/phpstan-phpunit": "^1.3",
         "phpstan/phpstan-symfony": "^1.3",
@@ -55,7 +56,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-main": "4.6.x-dev"
+            "dev-main": "5.0.x-dev"
         }
     },
     "config": {