diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index aa2574e..e9e0418 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -23,8 +23,8 @@ jobs:
         strategy:
             fail-fast: false
             matrix:
-                php: [7.4, 8.0]
-                symfony: [^4.4, ^5.2]
+                php: ["8.0"]
+                symfony: ["^5.4", "^6.0"]
 
         steps:
             -   uses: actions/checkout@v2
@@ -51,7 +51,7 @@ jobs:
             -   name: Restrict Symfony version
                 if: matrix.symfony != ''
                 run: |
-                    composer global require --no-progress --no-scripts --no-plugins "symfony/flex:^1.10"
+                    composer global require --no-progress --no-scripts --no-plugins "symfony/flex:^1.17"
                     composer config extra.symfony.require "${{ matrix.symfony }}"
 
             -   name: Install dependencies
diff --git a/composer.json b/composer.json
index a05c523..c9a85e9 100644
--- a/composer.json
+++ b/composer.json
@@ -10,18 +10,18 @@
         }
     ],
     "require": {
-        "php": "^7.3 || ^8.0",
+        "php": "^8.0",
         "doctrine/doctrine-migrations-bundle": "^3.0",
         "doctrine/migrations": "^3.0",
         "marcj/topsort": "^1.1",
-        "symfony/framework-bundle": "^4.4 || ^5.2"
+        "symfony/framework-bundle": "^5.4 || ^6.0"
     },
     "require-dev": {
-        "infection/infection": "^0.21.0",
+        "infection/infection": "^0.26",
         "matthiasnoback/symfony-config-test": "^4.2",
         "matthiasnoback/symfony-dependency-injection-test": "^4.1",
         "phpunit/phpunit": "^9.5",
-        "vimeo/psalm": "4.4.1"
+        "vimeo/psalm": "^4.23"
     },
     "autoload": {
         "psr-4": {
diff --git a/psalm.xml b/psalm.xml
index 991d35e..3bb02f9 100644
--- a/psalm.xml
+++ b/psalm.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <psalm
     resolveFromConfigFile="true"
-    totallyTyped="true"
+    errorLevel="2"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xmlns="https://getpsalm.org/schema/config"
     xsi:schemaLocation="https://getpsalm.org/schema/config vendor/vimeo/psalm/config.xsd"